MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The embedded URLs are the primary indicators of malicious activity, suggesting the document's purpose is to lead users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/454d127f90beb6e9dd34c46b804ad42d/rawoparu.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/4f9dc221b91e54a53caa87cd88b82ec9/94508452792.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2096b39ac---zonigir.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/ttuc6miqgvnlmoggohbh6n8gu1/41591800114.pdf
- https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/6puuqg58fno1mf1meik78adr4t/36543918539.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608988a898af8---84517125494.pdf
- http://ufnk.fr/app/webroot/files/file/marev.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a348b8f3f8e---44347831791.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/015f8c5c5fc134c962664541275e5800/remajakumerejuvi.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/a0b752578dd79e8a1e6bdbd30559cbf9/refunovavumalixulokex.pdf
- http://ldbell1965.net/clients/85689/File/1778662197.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/ae7638ff06491cd110fe00f6049b7f77/pisuralibape.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1292a494d---roberaxeli.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/242e4aulvtti90jeb7ru29j13l/48313215994.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/f20237afe9bd579ef7a2ba7a58265f4e/luvatifilazekujix.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05417d8d12---68784169509.pdf
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a93b5a0ec8---tekalefinuxemufi.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/07e05ccffcb409bc257492c040985e43/61160913289.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=cours+svt+5eme+respiration
- 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_off00010759.bin65b772c794a8b4ef4af73b18f87c78819f807c71c1ed9a3dbf5f00ef78c73476 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10759 | 5024 bytes |
font_01_sfnt_off0001185a.bin46a78e99e3eb19c4cd6e877756e9cbbd05ccfe055139936f4b6d73df49ea9a13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185A | 12172 bytes |
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