MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly indicate malicious intent. The primary URL, 'https://inwebjor.ru/uplcv?utm_term=pubg+lite+0.18+hack', attempts to lure users with a fake game hack download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://inwebjor.ru/uplcv?utm_term=pubg+lite+0.18+hack PDF link annotation
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16148024c95034---49844489748.pdfIn PDF document text
- http://yacpa.org/yacpafiles/file/bovavinuvorejigoja.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/95177040792.pdfIn PDF document text
- http://poaglasses.com/uploads/files/202109130011186754.pdfIn PDF document text
- https://magerp.org/upload/files/fupebe.pdfIn PDF document text
- https://hiroyoung.com/data/files/67383125279.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/8ksi9nimoal2hpjjt3o9b96af5/2877210223.pdfIn PDF document text
- https://lomasdelaweb.com/userfiles/2008.09/file/litesoxilunesifodudike.pdfIn PDF document text
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/negonubuz.pdfIn PDF document text
- https://grupa-energia.pl/attachments/file/21471706930.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210903_6E077AFE37272156.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/tezanawixozabikixa.pdfIn PDF document text
- https://bataretak.com/img/files/file/93107134608.pdfIn PDF document text
- http://altus.pl/userfiles/file/kifoteli.pdfIn PDF document text
- http://caythuocdangian.net/images/files/77320368962.pdfIn PDF document text
- https://tepihtrava.rs/files/23174429684.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/31382575949.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/maxizasimobe.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/37741792079.pdfIn PDF document text
- https://ispartaprefabrik.com/ckfinder/upload/files/6768232305.pdfIn PDF document text
- http://coeb.eu/userfiles/files/xakefajafufufuratu.pdfIn PDF document text
- https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/kudajif.pdfIn PDF document text
- https://elemental-ia.com/userfiles/file/89630449598.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_off0000dd9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD9D | 10800 bytes |
SHA-256: a932deb91b33442821d0c628a3b3fd79338240600c06eb6eb22dfdfea0b28507 |
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font_01_sfnt_off0000f6b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC2 | 19604 bytes |
SHA-256: 91afcb87ceb4692e7b9fd19a427bda55335dcce7e775d3d5d74c71fcf03ea2e1 |
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