MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Numerous heuristics point to the document functioning as a link farm, directing users to potentially compromised or disposable hosting sites. The embedded URLs, such as 'https://huntic.ru/uplcv?utm_term=how+to+tame+a+pachyrhinosaurus+in+ark', are likely part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://huntic.ru/uplcv?utm_term=how+to+tame+a+pachyrhinosaurus+in+ark PDF link annotation
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9698291e4---xifilajunulazo.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/39161474093.pdfIn PDF document text
- http://birdwatching.sk/media/file/koparuvotolupufu.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/54380a922c37011e60fda4fb1bade835/zixepopagivezikodosalofi.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156fa0908414---josasaropeviduvewimaw.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/ritaxovojodofuxujaritefe.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1631208097.pdfIn PDF document text
- https://nieruchomosciprzetargi.pl/files/file/bigupelejirowag.pdfIn PDF document text
- http://aokunoil.com/ckfinder/userfiles/files/81742481711.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/75627767763.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/30f542f45725fb81cc7981e314e8c1ec/64658874901.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/1633374388837.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161316a26c0e50---fobawutedamit.pdfIn PDF document text
- http://agro-partner.com/Image/files/siwajes.pdfIn PDF document text
- http://twfindia.in/userfiles/files/fazumibepixop.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/35cb6e5bccd37525c56244ffe70f84ad/17874118724.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/8148966fe92d46d326fc233487c71cb9/64055430637.pdfIn PDF document text
- http://letsfinal.com/userfiles/file/71110511151.pdfIn PDF document text
- http://koutingchina.com/upload/files/25032268915.pdfIn PDF document text
- https://lifesmart.ro/ckfinder/userfiles/files/durokigibonutir.pdfIn PDF document text
- https://clinicscrm.com/img/files/1448142555.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/puzijubusobividalu.pdfIn PDF document text
- http://educasters.co/ckfinder/userfiles/files/7570160368.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_off0000eb4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4C | 10976 bytes |
SHA-256: 5af88f90ae712022156195729039ec19ed5b88f78c0d1af500dda3c18fd3f354 |
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font_01_sfnt_off000104ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBD | 20196 bytes |
SHA-256: 22df391468bb18fb62d5c9d5692353e1cf5852f8dc49d70c55be61afd9119fc2 |
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