MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites. The embedded URLs suggest an attempt to distribute further malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://solyaris.pro/admin/ckfinder/userfiles/files/giwamujopewutegekokudebo.pdf In PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ce713c670---14582746461.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a39283a4dc8---donodazi.pdfIn PDF document text
- http://srividyaastrology.com/userfiles/file/wekikarimajeveju.pdfIn PDF document text
- http://china-miyaco.com/img/file/20216445310.pdfIn PDF document text
- https://777mto.com/contents//files/13209984614.pdfIn PDF document text
- http://runbo.net/upfiles/files/16296992214037.pdfIn PDF document text
- https://jajugroup.com/ckfinder/userfiles/files/33482227658.pdfIn PDF document text
- http://ms-krmelin.cz/app/webroot/files/files/60877078875.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d296bd08689---33319640586.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/92692212509.pdfIn PDF document text
- https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/5dbad0d935a1139c31ea9462733ded5c/mujekuj.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/38212d10a70923328a15b24d27561015/49520124692.pdfIn PDF document text
- http://douzonebnf.com/upload/file///jalik.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608885b11ab58---1804531686.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/67343308290.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/044d4ba4ecaf0e7475452e4981a33ea2/nonib.pdfIn PDF document text
- http://marketherballize.com/ckfinder/userfiles/files/58198057538.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/8e53a5e165910d2fda1babb9b315ceb6/terugesemaginape.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/99184843883.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/vusoronalif.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/49446157359.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/vomajanopazem.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/pojarelewojuvuwizowuti.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=asco+proportional+valve+pdfPDF 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_off0000d594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD594 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000edab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAB | 10660 bytes |
SHA-256: 0de5153ad593059fa14bcd88709b55d583b6eb5f9974c75e1716e4912ee9409d |
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font_02_sfnt_off0001063e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063E | 18040 bytes |
SHA-256: a9a24c51375c42c4f84b362aa3a6659e706ea5119703ffb88b02a77c16d5bbee |
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