MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm directing to numerous URLs, many hosted on compromised WordPress sites using vulnerable plugins like 'super-forms' and 'formcraft'. The document body is unreadable binary data, indicating it's not intended for human consumption but rather to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/ko5fscem7pkv66cn6g7no29ps1/84876238407.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/0cbbed1af3acf8c2e3fda08fcc73e125/69202906362.pdf
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/lujoxomabenobetixarigew.pdf
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8698117311.pdf
- https://finatwork.com/userfiles/file/terofivujijolipewuvoj.pdf
- https://advance-pack.com/editor_upload/file/81824328892.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075d18ee07b8---64596331244.pdf
- http://sugarfree-gelato.com/upload/file/77356828492.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160906bbbce390---16436641836.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/8kr9ifo4vtpu22e515pa83nta4/pokumaw.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999d363bc27---rizegod.pdf
- http://adabaskimerkezi.com/upload/file/depesenovo.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/537e606ef922701aeebdf4cda81ebd76/48591691640.pdf
- https://acryl-bg.com/userfiles/file/bazasitagenuvomajat.pdf
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080c83582a6f---besurowav.pdf
- http://one9five.com/userfiles/files/747073028.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a347cc77f9c---noluwunujezefes.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0c8e86feb---wetugufonetixopu.pdf
- https://careersourceokaloosawalton.com/files/public/16600926246.pdf
- http://www.koeru.eu/failid/file/30662754601.pdf
- http://kapsalonindex.nl/images/uploads/17163584489.pdf
- http://ausafe.net/images/art/files/deguzi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=qual+a+raiz+quadrada+de+256+elevado+a+8
- 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_off0000e459.binef49a8d7fb5fb56b5ae98dc31e1320c371a832d3c2df47dc2b7d7ec50ce5942d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE459 | 10932 bytes |
font_01_sfnt_off0000fdcf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCF | 16792 bytes |
font_02_sfnt_off000115e1.bine7317d5e0dbe0d3490101786469ed71a4abbff408d3754459b9133e2b00031f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E1 | 20200 bytes |
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