MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to various PDF files hosted on potentially compromised websites. The presence of a 'download button' lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://paklya.su/design/img/upload/file/lipebatategufexiguxoteli.pdf
- http://cokhibaosang.com/media/ftp/file/kekisanowojebivaj.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160743581a4cea---23161714305.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/4cd10bf62b4d8943577147b05e9f3258/biwewufevajese.pdf
- http://elfuklid.cz/foto/Image/file/21467744746.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021591415508681.pdf
- http://hanboo.cn/Uploads/file/2021051811512270554.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4aca8f2271---fofilakotewo.pdf
- http://iaestedresden.de/userfiles/file/rokimanilapo.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608295080be6f---ketapegesuvesilufur.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b194a31d9b8---21473497987.pdf
- https://condicionamentofisico.com/arquivos/file/76104408600.pdf
- https://aiwatopup.com/ckfinder/userfiles/files/13508878543.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160adfcfd38d78---mifexadoto.pdf
- http://deltools.com/userfiles/file/gafebade.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/71f73f1efd77cdbb641dc95973cecf03/babunemojadesurasujadadax.pdf
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/e649dc3711c233e11a7b8ec8c59f0574/59963858626.pdf
- http://aarogyamedico.com/userfiles/file/tejofefunulife.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0022de55f---kuwedajefikafades.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c415aef2f5f---54900548156.pdf
- https://saatyapi.com/upload/ckfinder/files/49438812212.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/te42vjcqbvlfitbudgrs6latvg/juzafelurofaxubaguxapus.pdf
- https://led7.ru/file/fasumisinirep.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/cbcce5ee670ceb32e2ce5a60e814e1db/46782383056.pdf
- http://ampletrekking.com/userfiles/file/derofovixilofifuxerum.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cooking+fever+hack+pc
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f021.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF021 | 16792 bytes |
font_01_sfnt_off00010838.bin9f47974a989a3b8ce17f99cf15230fab51a0f916d222fa6139a6e8896f93ffcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10838 | 10636 bytes |
font_02_sfnt_off0001208f.bin5978fed1d4ca55dcaf262404359096bf84707db746c6e0f6ae90402547137019 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208F | 18056 bytes |
font_03_sfnt_off00014fb7.binfcca37035df06e555c2991ff65faa0e8497ca6423bee408ebc46b3aef925b516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FB7 | 16144 bytes |
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