MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress sites, a common tactic for distributing malware or conducting phishing. The ML classifier and ClamAV detection strongly indicate malicious intent. The document's structure as a link farm suggests it is designed to lure users to malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160c53551ade47---57056716123.pdf
- https://kopari.hu/files/file/bitolafi.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079796997a04---garagixobe.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b3dfd28a4---75874524422.pdf
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/20eeec0025d3814e2c7670e82aa74f7d/jodawemiluxijudelovofexu.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608681e553d80---57466023208.pdf
- http://aarogyamedico.com/userfiles/file/47668394160.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16078e4b9420c2---54199946690.pdf
- https://szud94.hu/img/sajatfile/files/miwugakevarukutixe.pdf
- https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/t78avk36185ov5r61ucgecuo5n/jawolejumedilewat.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090a2389e256---8937072937.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/42fc6ddbe7bc28ea25ef9c80be132ea1/lukajo.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/mii06se9i83f5j3s720out96gq/20347999071.pdf
- http://allprintusa.com/admin/images/file/libedazoserinaguxo.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/79e539f4d395b2bca7bdfbf7a9d77f43/xamemaziwuwimetepasizumuv.pdf
- http://burchiellati.com./file_fck/file/rexakusob.pdf
- http://narnivet.com/userfiles/files/narujiles.pdf
- http://ingpoggi.eu/userfiles/files/konolowujeworipeje.pdf
- http://nandishoverseas.com/UserFiles/File/zemomagokoradulo.pdf
- https://hanurichurch.org/ckfinder/userfiles/files/87889893245.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2142509147---74215924818.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607502712c646---68881013892.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/vm9k00gpln05v9g9l749ho67f7/rafukafazajopisomiv.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=fast+and+furious+6+telugu+dubbed+full+movie
- 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_off0000cbec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBEC | 16792 bytes |
font_01_sfnt_off0000e403.bin45245451616663029183cdba5921aaf15662dde9f2efb91074627dddc51e1f87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE403 | 11148 bytes |
font_02_sfnt_off0000fddf.bin6f5a571725a8763c85f37c0b4579c7f188608768e4263d7fd9fe3c560e36a461 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDF | 16704 bytes |
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