MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to PDF files on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the nature of PDF malware often involves JavaScript for exploitation or redirection, hence T1059.007 is included.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 5
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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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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://e2ingenieros.com/ckfinder/userfiles/files/regolokosu.pdf In PDF document text
- http://exhibitionchannel.com/upload/34710753517.pdfIn PDF document text
- http://www.cavice.fi/tiedostot/files/14988431191.pdfIn PDF document text
- http://knauto.com/upload/file///vurifi.pdfIn PDF document text
- https://quangcaowebsite.xemlaco.com/uploads/files/7478375185.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/87962922240.pdfIn PDF document text
- https://netiko.ge/img/Data/file/29331344544.pdfIn PDF document text
- http://www.polni.si/Images/files/57927891283.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/161445681b7ed3---93849428086.pdfIn PDF document text
- http://logo4you.dk/userfiles/file/wefolekojesedomabakaduboj.pdfIn PDF document text
- http://mamolenasnc.it/userfiles/files/13545334078.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/kamuwupitefedipu.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/pabipal.pdfIn PDF document text
- https://www.campacinter.com/image/upload/File/kavekofoj.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/54377691320.pdfIn PDF document text
- http://eg-connect.com/uploads/editorfiles/file///85909774147.pdfIn PDF document text
- https://kaemsp.org/upload/editor/file/32730253411.pdfIn PDF document text
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/minizujegolidezilapofig.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/47530856983.pdfIn PDF document text
- http://cosmoscm.com/contents/files/12923752342.pdfIn PDF document text
- https://congtydaihai.com/upload/files/gisusogugow.pdfIn PDF document text
- http://health-bridge.in/upload/file/19049470733.pdfIn PDF document text
- http://master-br.ru/img/file/bepikop.pdfIn PDF document text
- http://archive-2014.humandoc.pl/attachments/file/jimixigudo.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a1114b607---41177224288.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=i+too+sing+america+poem+themePDF link annotation
- http://alessandrotria.altervista.org/areap/ckfinder/userfiles/files/regogibope.pdfIn PDF document text
- 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_off0000c323.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC323 | 10728 bytes |
SHA-256: 34a0b8d0f81e828a4376f63dce30ca8566b26f4b09c8d43e5c43d55c339caab8 |
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font_01_sfnt_off0000db94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f3a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3A6 | 16276 bytes |
SHA-256: 304cfad1baf4925dcf97b5be40a127edbe412e15989f5dbd55dd5d18ac7fb537 |
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