MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to compromised websites, suggesting it is part of a link farm designed to redirect users to malicious content or downloads. The presence of a visual download button further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=neet+most+wanted+book+pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/9d76d5d26cd43c7b1038a391d08771b4/48609983344.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16087bc1ec897b---mujojesi.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/4e7d0c252c89fed4db49a67027e82a74/vusesurifajisenalolexog.pdf
- http://dijladentalcenter-qa.com/userfiles/file/94410963280.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160807b0b704bd---27242397519.pdf
- http://ekotronic.eu/files/file/momuxi.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/sdsjoejg66noo3u8gum1us75o6/nimofoxi.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/442fa4d7324c6553794c7b39b8c0e1a3/17302262804.pdf
- https://ratco-hardware.com/Ups/files/1600390449.pdf
- http://thrifty-uy.com/files/others/15057463110.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/98b9ace0f30aa9096887cff2a26b2d66/fojet.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e788b54756---zamifuvedibaga.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/af5a80797b79bd8aa522419a9226818c/sasoterodukowirolelo.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/6diahenr179n6q9mfq53pbti3u/72106422709.pdf
- http://smclassof57.org/clients/34860/File/72413769856.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/2684f73b63f7951a83414275742da7b8/mutafabodebigijedaximos.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607114997d2e5---fademipidekobosil.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/7e895d61f1451307161e484e68adf0e3/63334746679.pdf
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/4bb49ade3bd8a83789d11ce92ef657e0/59492338243.pdf
- http://dkyangmei.com/uploadfile/file/2021062319203073499.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/bmui2n635k7i2o66qgmjualos1/90321017526.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f74750e74---65997325175.pdf
- https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/69634971854.pdf
- http://elskenecologie.nl/files/teputuwefax.pdf
- 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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000100d2.bin58d518101c14cc6e9cb2d01d63f6231c63b629bf97b75d2d550f792f8ffc613f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D2 | 18812 bytes |
font_01_sfnt_off000132db.bin84612aee4613f8e1e94d23239b317f0386a2cb283cbdb605f32bb69bcf2a6a72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132DB | 10716 bytes |
font_02_sfnt_off00014b5c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B5C | 16792 bytes |
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