MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics identified it as a link farm, with numerous embedded URLs pointing to other PDF files, suggesting a distribution or phishing campaign. The presence of external URIs and the overall structure point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://yuanhebiotech.com/upload/files/49304976503.pdf In PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/13171080811.pdfIn PDF document text
- http://qdsenfeng.com/data/files/24034644071.pdfIn PDF document text
- http://domki-kopalino.pl/pliki/tegizasefaf.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/tefevutu.pdfIn PDF document text
- http://aircond.md/upload_fck/file/xuvavog.pdfIn PDF document text
- https://doluhosting.com/calisma2/files/uploads/tuwokiroribotazuxitigixop.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/4924d1708bd2c42342947156645d9b33/bugapib.pdfIn PDF document text
- http://nprofit.hk/userfiles/fijufekowuwupujo.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/jirulajafedupubu.pdfIn PDF document text
- http://vibrobeton.by/pics/files/bexubemoturiwutegaf.pdfIn PDF document text
- https://sd-olimp.hr/files/4072870769.pdfIn PDF document text
- http://yjccnc.com/upload/files/kegidalarezanij.pdfIn PDF document text
- https://peltonfell.org.uk/ckfinder/userfiles/files/mutadajog.pdfIn PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/161424efd3b277---10688243858.pdfIn PDF document text
- http://usateatop.com/_upload/files/62563173268.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/57508586725.pdfIn PDF document text
- http://evo-models.com/uploads/userfiles/files/gutofidokewuwa.pdfIn PDF document text
- https://mehreganimaging.ir/images/upload/files/18058385985.pdfIn PDF document text
- http://teplo76.ru/uploads/file/vaxixomagitazujipe.pdfIn PDF document text
- http://madinaboys.com/easydo%20v2.00/files/uploads/vogevajudoboraxipa.pdfIn PDF document text
- https://jdrum-music.com/uploads/ckfiles/files/66498768734.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/5758163808.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/fukalof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=the+immortals+of+meluha+pdf+free+download+in+tamilPDF 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_off0000bf51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF51 | 16484 bytes |
SHA-256: 7367da89bae4b564f46eae34696e82b04c30a10d9a8cdb14c0ce681101473c48 |
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font_01_sfnt_off0000e96c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010183.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10183 | 10912 bytes |
SHA-256: a2eb2d4f94d91f778520f587d8a028f1fa68340e220e376d0a1eed41f6d3a7a2 |
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