MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many embedded URLs pointing to compromised or disposable hosting. These links likely serve as a lure to direct users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://change4best.ru/upload/file/xozikifasizefavi.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/0b42fe53a160d0164da4f5cba9ba3f5b/pobesodopaxoguv.pdf
- https://parc-hotel.info/file/sejituwaziluvuk.pdf
- https://simplehome.ro/ckfinder/userfiles/files/83289376099.pdf
- https://highrise.pl/file/giduradabi.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/72h8697l8kn3fmese80sstqvd6/viwogejedalikowaraguwi.pdf
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/4g9c2gvccnfg4o5lk80jlglnb7/18607373261.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a959eabac3---wuwigejuzinozev.pdf
- https://aadhaarretail.com/administrator/imagetemp/file/dujifovemoze.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/7aoj8g2d55f808b28hljl5uk90/letagide.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63c556fd0f---84472372961.pdf
- http://stringquartet.biz/web/images/fck/file/11809537549.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608849b855d82---navabonaxezafefeto.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/593a7950da7af1a5b9fa6591f85dcff0/korotaze.pdf
- https://kaptenhoki.com/contents//files/novasaxumow.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aac2029a2af---77873109539.pdf
- http://meadescafe.com/userfiles/file/7098120682.pdf
- http://beergolfers.com./blog/images/file/kabefigugitexozamiron.pdf
- http://usarsenal.it/userfiles/files/fojofumixetudamox.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160862f6b881e4---zemuje.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/g3u4qu8vflf0tvj1tm1g85nvsv/kabazurapudovinexezekur.pdf
- https://soechi.net/userfiles/file/naratadusezulerelebiri.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=sometimes+the+air+that+i+breathe
- https://www.unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/98956815417.pdf
- 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_off0000e8b5.bin510dd14d647bad0414d76ce0b16aa745fb55c165fc3bd433a3bc39ae10b68e46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B5 | 17156 bytes |
font_01_sfnt_off00011586.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11586 | 16792 bytes |
font_02_sfnt_off00012d9d.binf7c2bb4b3a5a356bfa852db2177fd6a9186087e4b70c4550a02097ec2509f25d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D9D | 10436 bytes |
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