MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It employs SEO poisoning and hosts download links on compromised WordPress sites, aiming to trick users into downloading further malicious content. The embedded URLs suggest a pattern of distributing malware disguised as legitimate files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://queure.ru/uplcv?utm_term=the+cosmic+perspective+pdf+download+free
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/0c0c0c81243efb401ea60b40911ccb9e/44457125873.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8b42d8f65---23470683302.pdf
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/fj040id4na46n431dug03ajje0/zopafinaxirezusoregolij.pdf
- http://odnoklassniki-files.ru/images/uploads/files/fuxisenoxolixuputaga.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcf0d0ebc0---kuzumumadaxotanufa.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4a2f7235b---34166584138.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1606e085e18e60---nawudodetapumudo.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd17c75e38---51619858150.pdf
- http://clair-environnement.eu/catalogue_dynamique/file/81510463692.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/9f615269e48d98810691d18837d7a4e3/gabawiba.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b035913f2---28389857103.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/23c8f7e6a2f192ab31f3dbd17266dac2/ratula.pdf
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/jugerun.pdf
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1aa679437---21054496850.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e455.bin0a8753a7295ffc46e53a23680f92535227681902aed3d83fb3ca4c9e86b2817c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE455 | 5496 bytes |
font_01_sfnt_off0000f6f1.bincefc25b29b34b5123c376888f59e298298189f494a293f9f2176f873965a4d5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6F1 | 10628 bytes |
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