MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised CMS upload storage locations and disposable hosting sites. The embedded URLs suggest a phishing or malware distribution scheme, likely leveraging a spearphishing attachment vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://archism.ru/uplcv?utm_term=right+wing+activist
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/ae74b4cac76fe0267ba2accb1103c71c/79665866972.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17269f921---silabavupeduwek.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/4865d322be880c3a8e2fecc26590945d/16358051561.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a39397cc7---6626901193.pdf
- https://jetaime-shop.com/files/tewejakesoguveduta.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f72a24f14---38847807658.pdf
- http://rudolphalexander.com/uploads/files/misurovuj.pdf
- http://supair-lux.hu/ckfinder/userfiles/files/surudidaraxaw.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be57a90b8be---11521816422.pdf
- http://clinicaveterinariailmarzocco.it/userfiles/files/dorarapukezewumituzonomo.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d810aebbedd---19599661384.pdf
- https://alkalacarservice.com/public_html/userfiles/file/70290252686.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/bec2aefbb969afe323a6bbf378dedc2b/50446599940.pdf
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/2aac84ee7438008154f0f0edbb162422/pafokebemasuwu.pdf
- http://sva-jeanroze.com/xmedia/file/28134567073.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/2fa54787fe47f88af983d6bb2d309ffe/lezuwatimatef.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/e52268fa2e86ce8585927750b3402e7a/27541697807.pdf
- https://shriayurvednagpur.org/public/ckfinder/userfiles/files/pezofugisokifidirijezodob.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56590dd016---45020125972.pdf
- http://pantryscan.com/123cars/imagefck/file/ralakopolok.pdf
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/hlk6fp6hb0792otn6efb3cj5e0/ludatobev.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/3a5e33363674e015b75181ccd1335d47/muwomowogojaxomopiluxuka.pdf
- http://astro2sphere.com/admin/images/file/29947944366.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_off000159d1.binda8175e7eb659b008420e08516cd82e6b8d5e763afeaa2feb32f1e8ab85dd1f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159D1 | 10308 bytes |
font_01_sfnt_off00017112.bina370344b834462d82bddfd12e72f0d8115731b976c5c3d85f6611238586cde1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17112 | 18264 bytes |
font_02_sfnt_off00019fd7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19FD7 | 16792 bytes |
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