MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to various domains, many of which appear to be compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to phishing pages. The presence of multiple external URIs and a link farm on disposable hosting strongly indicates a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://catamma.ru/uplcv?utm_term=the+art+of+chess+combination+pdf PDF link annotation
- http://kardelendalgicpompa.com/uploadfiles/file/82603737676.pdfIn PDF document text
- http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/sirul.pdfIn PDF document text
- https://limmaginebistrot.com/file/33250293330.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/8c1c12ee914ac111b49d09724b6ec681/nikexabubebaxekorogopet.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/boxuxiwekenozoza.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/2649070d5429393eb0fe29b717695712/57672396402.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760a636eae5---60875764616.pdfIn PDF document text
- http://qunjl.com/userfiles/files/ginij.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/07509e05d7f4f45d086942c58e56df12/84570376812.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea677675d6---loluderavivijeziruxep.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/51879728288.pdfIn PDF document text
- http://zzweien.com/d/files/vuwiwunufijuze.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16088860e7991a---17634825046.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/89100914666.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b875bea2954---ruzenewap.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/709e1e3e861c0beca0e7ceb66728299d/rataxesedabaxenulamukoso.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4de4748192---fizewox.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021060805452511.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/9fe91e7b161aaed6c438a9c97bf4e380/detufevinixodinukunu.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/18283969120.pdfIn PDF document text
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/f3f28d8a20b85d6fbf0c70959800e601/34924008840.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4321b66ad1e18ad46dda21f37b16affe/padidivogobuzibetefutedu.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798cc264125---zufemutawawikikojom.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66dd267875---11306507412.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_off0000c4f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD0D | 10944 bytes |
SHA-256: ba98a467f0e7478a390951069b50799231a4ece909c67ea7d27750896c8f04da |
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font_02_sfnt_off0000f601.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF601 | 18124 bytes |
SHA-256: 76372bb7cf4dd6279bb3248685a1ebb8e56b315c1e89508738efc39c2e6d4d50 |
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