MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS upload directories, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as phishing and potentially a trojan. The document body is heavily obfuscated and unreadable, providing no direct textual clues, but the heuristic firings clearly indicate the malicious nature of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/85b3d8fa038aba23b1e3239041aab8fb/finevowatada.pdf In PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607e73116616f---tegujal.pdfIn PDF document text
- https://grandmake.com/userfiles/nogarizejaletawopof.pdfIn PDF document text
- http://ambvet-trefontane.eu/userfiles/files/riwelipamabimegetugi.pdfIn PDF document text
- http://canadanur.com/resimler/files/wexobetazaxulafimufogeto.pdfIn PDF document text
- https://mangonebike.com/uploads/file/xonajodi.pdfIn PDF document text
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/30878487474.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/guguwixurox.pdfIn PDF document text
- http://kodemari.info/data/files/vurisinojo.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098445fa1f6b---bomisedinugapubexufupe.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/1fa5v9tbt1d726955baea17v16/61343078100.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc67d4a0ff---kaxegepalefotoni.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e6f2235e0471057042503851ddf2afc/kofuzokaluv.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/sajiwuvomonuto.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/0d2008653c9ccaf2c394c15d77e699eb/93015731724.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084da804bedf---35364936360.pdfIn PDF document text
- https://aradovan.com/userfiles/file/nubixix.pdfIn PDF document text
- http://refpecsbelvaros.hu/kepek/files/48549946342.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14b9d382d5---30161042151.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a154cd611e1---mifinaxesavemuwuvo.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ec5141bbb11---63908016942.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/uefqoka1ir5qmskl222ah7euv6/mafonusajog.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1611591c70c328---lilatojozidawaxawoveba.pdfIn PDF document text
- http://prochem.vn/images/uploads/files/torib.pdfIn PDF document text
- https://elesud.it/img_pagine/file/63896675011.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+make+label+shapes+in+photoshopPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ffbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFBF | 10724 bytes |
SHA-256: 955e843e4fe8c51eee38000ae56cbf25a5c2d5f1144ca5977ab026df37c4d1a5 |
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font_01_sfnt_off000117fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001300c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1300C | 17644 bytes |
SHA-256: 38f5071df49685e8c90f0443ee757131d6d8e6d3e378abced704a9aae8832c94 |
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