MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it contains a link farm hosted on a compromised WordPress upload directory, which is a common technique for distributing malicious files or redirecting users. The presence of multiple external URIs and a link farm suggests an attempt to lure users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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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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://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160ae46c4ed4de---39289506918.pdf In PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/66907321159.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/10033295310.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4397081494.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/27667389987.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name//files/nemabi.pdfIn PDF document text
- http://fu-xin.tw/uploads//files/202108110432082153.pdfIn PDF document text
- http://vote4dannybarry.com/clients/2/2f/2f5d4f67c16906f9b09010289963de11/File/sadeluj.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/8139d35d0a580734b0111f06a1334540/16349794879.pdfIn PDF document text
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/f58c14f5e1fcfae055a2425100b2fc76/rulorunofax.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/72102892304.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/a9a6a01e49a3d7848920e28e633a0b74/8009925912.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/kemowoko.pdfIn PDF document text
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/15gtdhuc31ehllsofh5v8rk3mo/gajakaretemilor.pdfIn PDF document text
- https://dotcomtravelegypt.com/userfiles/files/zavoverajexovuradisi.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/eoa8hlfbvi5nrndjj2466fdkib/dasuvuxulusekujabat.pdfIn PDF document text
- http://softtox.com/new/userfiles/file/83631989015.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd11450876---26269932923.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/60729854196.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161111b5eb7452---suraxumisunenazinapotozo.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/dloai33rv0dpo041aqkpgq10e3/80913371261.pdfIn PDF document text
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/us6utek2igvtrvq75fj7kbad10/19754592912.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8116532e6---72904411300.pdfIn PDF document text
- http://servis-hradec.cz/files/file/92602833726.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=roman+catholic+shona+hymn+book+pdfPDF 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_off00010ecc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECC | 11044 bytes |
SHA-256: 7ba65103287114359cfb65f420c7555bf9d42b9050af6301f769e22e7539486d |
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font_01_sfnt_off00012823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12823 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14035 | 16988 bytes |
SHA-256: d825236123df27c2a2e2efb606a9573acfb72792926af914a29cb88d7ed94eba |
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