MALICIOUS
212
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The document body, though heavily obfuscated, combined with heuristics indicating a link farm and password-protected archive lure, suggests an attempt to trick the user into downloading a secondary payload. The numerous embedded URLs, many hosted on compromised CMS uploads, further support this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3caeca12bf---zabedinako.pdf In PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/aecb36bf52244d2c9f9fb00323253161/losevowevusufivubabiru.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e73a9a46c---26299044610.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/cf379eebd55f644e8e9efb2222258fe9/1722744267.pdfIn PDF document text
- http://mazurubezpieczenia.pl/zdjecia/fck/file/67529563683.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16081be08dd937---14056520746.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5ed1d569c94e984492e8752a10a5625a/35625770138.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/8e1a3f34b00174f7c52f4996b8da9758/87192505429.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/5ap8ol8cg78ec3k3m7bkupv40u/jugifemapafuginipapipafan.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/qmebaacjpqnpa2ucd8cms63gf5/80084046981.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf834940670---genotekozijunemogakeb.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/53796615723.pdfIn PDF document text
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/33d3ee377d397895b098e31ebcb8bf67/lesusilobe.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cd30e1087---nujikekitutuviwa.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/ruvokekulewo.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a942b28f1df---givitizadowogilitawav.pdfIn PDF document text
- http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/29812910354.pdfIn PDF document text
- http://deficanderel.com/clients/6/67/674a09facce11b7629d390eef9534ff9/File/ledobuwipadepogufu.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608495b14f7d9---petabifawebis.pdfIn PDF document text
- http://cuatudongsaigon.vn/uploads/files/60459555667.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c05f81bd13d---fabejavewor.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/gagujobivaletipeduzawu.pdfIn PDF document text
- https://zapcdn.space/web/img/podborky/files/27479854880.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/e166df3c9d58c253c1bcb855193a42e1/zirunev.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/r64ns79r8bnooovr6dna9qidlr/66707513977.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/lavifev.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+amazing+world+of+gumball+anais+wattersonPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B09 | 11148 bytes |
SHA-256: eae11f4e0dc72dd21a5ba9ad04205ae070e87fd8b202c0b94d4a73ee8f941a16 |
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font_02_sfnt_off000124c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C0 | 19672 bytes |
SHA-256: cb58ba285f0c8f0eb9589d8ecae603a2ed79880c7ee57280092fafb6262de896 |
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