MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains embedded JavaScript and a link farm pointing to compromised WordPress sites, suggesting it's designed to redirect users to malicious content. The presence of multiple links on disposable hosting further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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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://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ec424b4b80c---xinezak.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/9uhccm1b78a1j80bjkh1difmf0/17948971867.pdf
- https://prosaison.fr/userfiles/files/vuwomivefigit.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/fhca274lovhnee1igo3pvkmetg/19785135389.pdf
- http://chayka-svg.ru/files/pufevajobaduxabadudugal.pdf
- http://bassbasement.org/userfiles/file/32200873052.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/qpe1kn5qq5nnusa75eolagr975/tomajexi.pdf
- https://somogyplusz.hu/files/tovabexepigesolovaker.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5f54975df---48841333655.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/026fuj2qkn1e6alrqnf05b9dlp/wiwuxixedakifovije.pdf
- http://geniuschulatutor.com/userfiles/files/zimetosixobes.pdf
- https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/75dea02cc47d6cd17efa8c885ce8ecad/30084523161.pdf
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27506790781.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cf828625975---rututanubo.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4cf02c7a2543b61ccc95482ca6bf1c86/gisasenabibevobaviboxi.pdf
- https://mvpartners.be/images/uploadedimages/file/96088178783.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/076a874889f5c55b331c9887905acf7f/leruwolotuxafuwewu.pdf
- https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/farugonofo.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160825ad761aa4---31467924420.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/9a85a904d75d86f72320895c2149dc49/dobejapifenibokexe.pdf
- http://www.pattyn360.com/upload/forum/files/rodufevomexavunujij.pdf
- https://tectrongim.com/uploads/files/jalopikowaguladid.pdf
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/xulor.pdf
- http://shortguycentral.com/ck_uploads/files/10596876580.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=4.1+congruent+figures+worksheet+answers
- 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_off0000d8b5.bin39191acfeb21d0a035d00eea0e8cb9adfee160462245df5f268ea0db2138cf83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B5 | 10948 bytes |
font_01_sfnt_off0000f241.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF241 | 16792 bytes |
font_02_sfnt_off00010a53.binb0557c24c15e07e5fd9688051085230381331da660afa9affa4a5b4f6d643477 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A53 | 17920 bytes |
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