MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to numerous compromised websites, likely intended to host malicious content or phishing pages. The PDF's structure and the presence of external links suggest it is part of a phishing campaign, potentially delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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 http://igigeothermal.jp/userfiles/file/78008064376.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084344db451e---90235800078.pdf
- https://parklanehotel.asia/userfiles/file/jomej.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160d421ff0650e---58504894675.pdf
- https://travelinnsuites.com/nbloom/fckuploads/file/56594788909.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/284ff244a3ed55699206eb5e0570131e/24993855346.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8f54639796---romurefejagaxenatasozafaz.pdf
- https://client-sms.com/ckfinder/userfiles/files/45576162402.pdf
- http://controldellaves.com/app/webroot/arxius/file/25904648614.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0ca13c778---lutifusa.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d7b5rlr4k5tchmq07rtvu23au3/53435640331.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/6f073d3537e91be4fdaf7359db662703/66576863444.pdf
- http://jdjcnc.com/upfolder/e/files/20210712222155.pdf
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/kl4lcip0vmb0gp4etj32l6p810/91649316865.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d42176ea70f---11826899060.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090300b90487---foziwuditakupesawovu.pdf
- http://galsabino.it/userfiles/files/12765638237.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/fkeuajndt2p2qop4paa2pa8on4/89950797851.pdf
- http://proxima-design.cz/files/file/wurefijemixe.pdf
- http://files.ibiza-ferien.de/file/24523813033.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/saehgeic0fclmh0i952u7k0qqs/bodiju.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160986cffd1cf4---75901466075.pdf
- https://partnyor.az/userfiles/file/85144779055.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/fekax.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=les+livres+de+rudolf+steiner+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_off00016cca.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CCA | 16792 bytes |
font_01_sfnt_off000184dc.bin5a6b902c157f6915e6db11c0dc1e8cbb56ce07aad9a323e2dadcb687f93a3486 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x184DC | 22980 bytes |
font_02_sfnt_off0001bd33.bina38673a640719acfa7580d25ffd795f2eea53b370b9202dad03e95541aceea04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BD33 | 10452 bytes |
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