MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate maliciousness, classifying it as a phishing trojan. The primary function appears to be redirecting users to potentially malicious content through a link farm, likely as part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf242264a6---93754271267.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b671d268078---zuvumelobarekekorik.pdf
- http://cherryontop.pl/upload/fotki/file/putizosifopejagomila.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606d47bd3ee95---vopasomobudebutominurug.pdf
- https://agatanorek.com/files/file/35841182017.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16071cd0ca63f9---21351558336.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ebe7369ef65ff4d8f96db5d606913fa6/talowefasimagozirivetisof.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/2b055c63a30bc14f00338f0f721ab576/94208663126.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/0f2a6d6f0115bb6d029e16763e9562ec/37556784210.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd796def55---bumuzazulijegepuzapul.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e75e27cbd---jixoripuzaletumozu.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/j8gpf8skp3pmngfjadpsr45qfa/zoxokuxen.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/34b76de34b47e588284910bf4d99756a/gijodudu.pdf
- https://soechi.com/userfiles/file/60529154779.pdf
- http://stacjaregeneracja.pl/userfiles/file/safaribugetozifapok.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/c898a743badc79ebf85d48e34554b543/senizipusumomikozasijeris.pdf
- http://vmkmsz.hu/userfiles/file/44393091110.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6b9b6bf83---56877217404.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16083cca5ceead---98078974924.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080eaf55a374---72464282496.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7051ac958---78797145677.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=sample+question+for+job+interview+and+answers
- 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_off0000fa68.bina1ffff311c0b3e3ee02c48bbcc3e4a9589b105882a0ac9d6116af8db2aae0820 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA68 | 11404 bytes |
font_01_sfnt_off000114d2.bin10d43789b160555583bd501d262253fc3cc223f7e244dbc02309e7b9bc41882d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114D2 | 16568 bytes |
font_02_sfnt_off00013f8c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F8C | 16792 bytes |
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