MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 7
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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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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 https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160da12073a312---duvarugalasusob.pdf In PDF document text
- http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/2ee79cbd32972bd9d087d6bcd3c48d87/25208218645.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/69b253c872378c0cb1a7f61dbfa5d277/sobof.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/wamututofaseforos.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607145a70128e---jetezorabisebi.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/85006802138.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/50191098402.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160904c9a29654---bovifubivadan.pdfIn PDF document text
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1968ba00a---lupim.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/7b724a7ebc892d81af5a15b5c5e0edb1/wutovodaminazefagi.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/60220340035.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/vsftqrsrn66t1tv3bnkj8pd1v4/wesuzulosegeravugowagaxe.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16088042600b40---tujibabuvagugotutukaluko.pdfIn PDF document text
- http://nitexprofi.cz/userfiles/file/sebowekowofatabasuwigok.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/0nivqk4sl9itned76h2kfsrkes/38019355302.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-4-29/20210429155258486031.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/qn30rbqju44sr4qijdl6e9pmi4/pekerolaterez.pdfIn PDF document text
- https://actor-conseil.com/files/file/zedoxemar.pdfIn PDF document text
- http://auchli-appenzeller.ch/userfiles/files/3975949437.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c6deb8779---83919294621.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/89310614564.pdfIn PDF document text
- http://farmina.ru/uploads/files/rizawo.pdfIn PDF document text
- http://cukiernia-waltar.pl/qcms/userfiles/file/82297918508.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094743355137---xidijamezujidafegom.pdfIn PDF document text
- https://newtech-utm.pl/userfiles/file/679365282.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7e4jt608ku9j5p5qbrolsbhmo1/gogilikomowededovilisexi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=god+of+war+ps2+ppssppPDF 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_off0000d7d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D7 | 18156 bytes |
SHA-256: 7521649817100d18e6b815c6dda8e8cd695666fd5223e075295574bc36a3692a |
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font_01_sfnt_off00010540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10540 | 10264 bytes |
SHA-256: 7b7398c77326623160ff7b435be1aad804384a51d8a2b5cfd54461916870cd10 |
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font_02_sfnt_off00011c99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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