MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to various websites, many of which appear to be compromised WordPress installations used for hosting malicious files. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be intended to trick users into downloading an archive, possibly containing a further payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://oniceh.ru/uplcv?utm_term=anatomical+planes+and+axes
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/0aa92ca601987b33216b9c1f6dd283c4/83935086606.pdf
- https://hostmegasoft.com/calisma2/files/uploads/wepumexogegujonixisax.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844cd9e8e66---xofixatibezikix.pdf
- https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867d9996f34---zubozoneduzomupuxi.pdf
- http://anandtouristcorporation.com/uploads/nanipanebikosojazose.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/dd9ed115917f8ec938d77d0fc442df20/48481227190.pdf
- http://hum-lucknow.org/test/fckeditor/file/bebot.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/c648c23c85fd00f18240e83b6c10fb59/suxatenakovaxokap.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b79f7714008---49865271267.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/df2d0fbe33e7cf2c83997b26e4fc2c14/gexezivuzibamaruvu.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c309220b52---xapetewapizaz.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/aojkgikg3kjrh68fqib695186d/16346392462.pdf
- http://jarauwerdaenzn.nl/userfiles/file/laratisok.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/94ujf9ohtccenb851fkk313u8h/10891743076.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b1be2889de1---vewewawakoluxun.pdf
- http://www.logomarcanet.com/userfiles/file/gimejeviton.pdf
- http://fujavietnam.com/images/Download/47499996758.pdf
- https://rocksoliddesigns.biz/userfiles/file/zozipetesusiruso.pdf
- http://altelaw.com/uploads/image/file/80078310305.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/cjdibbi2qdrpfvf26k6vu3tknr/zarenisozesajeze.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ff31bb2ff---92887553263.pdf
- http://freeski.hu/freeski/file/54500651689.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bed90bec44---tusabipo.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078141fa0614---70502896045.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_off0000f404.bin0e135eb14146aba6a2f41cdf769367d095d81cfc7ccd588fc41d58f0e3c8fd22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF404 | 10660 bytes |
font_01_sfnt_off00010c7a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C7A | 16792 bytes |
font_02_sfnt_off0001248c.binaffcc9315594213dc3f9c960b54817a45cf53795e94424e382b4a9abf7363d26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1248C | 17028 bytes |
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