MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The document contains numerous external URIs and is identified as a link farm, likely intended to redirect users to malicious sites for phishing or SEO poisoning. Embedded JavaScript streams were also detected, suggesting potential for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://laborke.ru/uplcv?utm_term=simcity+3000+unlimited+cheats
- http://lsneotek.com/ckupload/files/nirategufebomorixex.pdf
- http://www.sushmitamukherjee.com/fckimages/file/josetisasek.pdf
- http://maryalo.com/userData/board/file/24285881647.pdf
- https://0a3exp.com/upfiles/editor/files/72412268402.pdf
- https://studiecarriere.it/uploads/file/lumifejixafijakegigewozi.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137ff130d89e---wosurexetupizerus.pdf
- https://mobspace.xyz/web/img/podborky/files/11748426666.pdf
- http://klwas.org/userfiles/images/file/zaledixitekivebumuxeb.pdf
- http://naturpix.ch/cmsimages/file/11061435781.pdf
- http://spadhotel.com/basefile/spadhotelcom/files/32082291666.pdf
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/77226678207.pdf
- http://ttworld.hu/uploads/content_files/files/50961703479.pdf
- http://rdmsrl.it/userfiles/files/46341114620.pdf
- https://lemarko.com/userfiles/file/83502097447.pdf
- https://standsimulator.com/ckfinder/userfiles/files/19118530867.pdf
- https://mr-alian.com/upload/ckfinder/files/85549772968.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe74c5eef8---36379765659.pdf
- http://sk-massimo.com/js/upload/files/86154115991.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161483468b7b2c---jaxadonex.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/92291627333.pdf
- https://fpcofmacon.com/nbloom/fckuploads/file/17727637859.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613798d410860---weginevovivazelos.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_off0000d3c3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C3 | 16792 bytes |
font_01_sfnt_off0000ebda.binfa27d352b03ba1bcf75282ce7b4f1382fb5acd78bba98f633244d64ba96636f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBDA | 11000 bytes |
font_02_sfnt_off0001053f.bin911b0be4c288fbefd325b63565ebb21f253ef297ce4ac5ef837006c43fab726f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053F | 17088 bytes |
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