MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm hosted on disposable domains. Heuristics indicate a high likelihood of malicious intent, with ML classification and ClamAV flagging it as a phishing trojan. The primary function appears to be directing users to potentially malicious external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://stalbeckers.nl/userfiles/image/file/gimometutijejuxug.pdf In PDF document text
- http://protok.pro/upload/files/61990257053.pdfIn PDF document text
- https://maximatrimony.com/ckfinder/userfiles/files/68855940537.pdfIn PDF document text
- http://funagamex.vn/PhuongNamGroup/userfiles/files/nadajanitaxa.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/makawajofunisebeti.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/12046935965.pdfIn PDF document text
- https://chezgregoire.fr/userfiles/dejatokikoxowenalano.pdfIn PDF document text
- http://asja.ua/userfiles/file/97439798951.pdfIn PDF document text
- http://hanahana.vn/media/ftp/file/toxipezogujez.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/3179261171.pdfIn PDF document text
- http://ros-grad.ru/fck_editor_files/files/mozatirekip.pdfIn PDF document text
- https://apgr.eu/UserFiles/file/vivexusawegus.pdfIn PDF document text
- http://yer-krasnodar.ru/ckfinder/userfiles/files/kegiwasezapaguwato.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/jofukugokovapizogaz.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378a13d9157---41648569748.pdfIn PDF document text
- https://sadex.pl/fck/file/99244261324.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/a1hqq9jg1luj0o745dqoutkrg0/gizokamowewavi.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/64734527336.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/gefoj.pdfIn PDF document text
- http://eca.or.th/ckfinder/userfiles/files/43390879440.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/6977412775.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/6966134071.pdfIn PDF document text
- https://zhansq.cn/upload/file/98960350248.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2dc2600bf---gukufos.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=android+4+emojisPDF 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_off0000b517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB517 | 14212 bytes |
SHA-256: e48eaa24e921e5594888bff27a8bd05e1d6ecfd62aa44c9c1138bfa787aa669a |
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font_01_sfnt_off0000d87c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD87C | 10292 bytes |
SHA-256: 5d5be919dde1f35542df5c73c029673b43928f2539bda0e91718e6aad4f08e1f |
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font_02_sfnt_off0000ef9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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