MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to compromised WordPress uploads and other domains, suggesting an attempt to redirect users to malicious content. The PDF structure itself appears to be a link farm, likely intended to distribute malware or facilitate phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://susta.vn/userfiles/file/72704901087.pdf
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81868629204.pdf
- http://musorcentrum.hu/files/article/file/dalodirapevi.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/eqinmk9qlug1bf1c88tv06t5m3/43553521651.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a65f1d9f82---kuwonugafokeza.pdf
- https://atlanticcompact.org/userfiles/files/45156593647.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/b5342baeea7c1904542c62433db2fd51/dipiroxugigamiwiwafogen.pdf
- http://werkkledingverkoop.nl/images/docman/files/23228312902.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b987a20fb8---mabakifore.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/5545f6fd970240378cb973b17c76e994/jaluxeludelimuw.pdf
- https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/6qaed1kisdfvc36gfr8nrlae9o/wazulexeduxudapafilajibil.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/7e4915eb4829d587ed7083a80989c39f/jamedunupewiligiwebix.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/tpojkm6gi1gtu1f0evnv6idfff/xepix.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a80a427db4---94421887960.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/bd461d8c8a50eac9b28ad36253ea6658/64013921975.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/ae74c36f2d3754f00d04a2241a5ca73b/wukodiv.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/5jmodqlig3o6eaomkf8ir0qm0j/nejinukafa.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/64baa5dfbc41a530ae945127c8b6f9d8/pujozuzuwinumupageji.pdf
- http://techsystem.gr/data/uploads/ckeditor/files/62104266161.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fefaf0a8c6---74085479345.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/jr4qn3klc0v4fopfsntoa2hqj7/99899064725.pdf
- https://broodjedenbosch.nl/ckfinder/userfiles/files/vasepuwadaku.pdf
- http://thankschicken.com/uploads/files/dujirako.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb765ed40b---jovevafafif.pdf
- http://zionhillfirstbaptistchurch.com/clients/73368/File/9731228374.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160dbe168ecd5f---biginixewogif.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=awesome+dictionary+meaning
- 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_off0000ebe0.bin0366f80bac8e158ed23c7e932206b65d4949b424a5874c52d1bf2d14a4b2a9c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE0 | 10848 bytes |
font_01_sfnt_off000104d0.bin072f67364575900d6017bc856ee8ea2ef6a10a4a980fb122ce1c23984cef2ccd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D0 | 17360 bytes |
font_02_sfnt_off00013194.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13194 | 16792 bytes |
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