MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites, suggesting it's part of a link farm used to distribute malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the true hosting of malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2b8e8c220---98985665162.pdf
- http://applexin.com/ttpsea/files/file/sanebawexinapebi.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/tme3c367lgi228f6372pav9uhk/54252593166.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8801ff1ffc---makezuzurori.pdf
- http://eperon-kochersberg.com/img_db/sajivikizenisugepazaxu.pdf
- http://thessalonikiflights.com/files/files/55631486424.pdf
- https://faltprasten12.se/anvandarbilder/70/files/pepagidizakalevel.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/3b1b90cb57275a6aa92485fd9912c815/26710332030.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b45611df9d0---85623102869.pdf
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/pogasosomoxi.pdf
- http://changwontour.kr/FileData/ckfinder/files/20210628_AB9F66603C7E4100.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/9e9edffa82802cdb490826417a401522/70773229702.pdf
- http://romanakladatelstvi.cz/userfiles/file/24425528457.pdf
- http://hsiwww.com/image/files/20210622_212510.pdf
- https://menlopark.com/wysiwygfiles/file/84889021011.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f16454f15---63813513239.pdf
- https://mimpishio1bet.com/contents//files/58174510046.pdf
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160785afb30269---divomuzodi.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/g4agn1hqssv919a8kbdanuc330/nadajufalevoniro.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c53a96229f6---fitukomiziluvidisupaluxum.pdf
- https://its-bulgaria.bg/files/file/22901261613.pdf
- http://schokofontaene.de/idata/76916122629.pdf
- http://pozitron-s.ru/userfiles/file/23016016618.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/7c39480617161864dba56d817c4bead1/pujetovofolilejon.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=vanguardia+literatura+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_off0000c16e.bin26baa861169f0e90bb70996dead5e45fcb3b42eba24bfd972eb33b35c20b18c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC16E | 17188 bytes |
font_01_sfnt_off0000ed94.bin743c380a0e6c3b04d25972cae8f6104f2c2e3e14dd737f9b4580c52fa45c3416 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED94 | 10452 bytes |
font_02_sfnt_off00010532.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10532 | 16792 bytes |
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