MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identify it as a link farm, with many URLs pointing to potentially compromised or disposable domains. These links likely serve as lures for phishing or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/68516417033.pdf In PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcd816935c---21591193544.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5cd59ddb4---48384684949.pdfIn PDF document text
- http://pooq-design.com/app/webroot/fckfiles/file/biluvogufe.pdfIn PDF document text
- http://chiari-web.com/ckfinder/optimist/files/wozuxijugezi.pdfIn PDF document text
- http://restavratorstvo.com/ckfinder/userfiles/files/fimibapevegofidamupezimam.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/59558478812.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/tawinenip.pdfIn PDF document text
- https://tapuionoticias.com/ckfinder/files/jekijejusagujom.pdfIn PDF document text
- http://manilag.com/FileData/ckfinder/files/20210911_6E831640700A8429.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/57268910167.pdfIn PDF document text
- http://celeb.huh.hu/UserFiles/File/levimob.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/padogudiwaj.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/86581345063.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/73946186631.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0830ccb0e---38600776102.pdfIn PDF document text
- https://muzpony.de/obrazki/file/56216421482.pdfIn PDF document text
- http://ametansk.ru/uploads2/nenevewevukuziwum.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/pulivenutupulajapo.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/nesofememulane.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/57756354981.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/roxemuzo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=cheat+keyboard+for+gta+san+andreasPDF 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_off00010b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12369 | 17332 bytes |
SHA-256: 305569d7a4577f0a50ee2f5d0181da0bd8eb811ad1f1d6631d6a0fa67910ee95 |
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font_02_sfnt_off000150e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150E7 | 10872 bytes |
SHA-256: 67313f01ee616f44eb9a3696eb14ce9a4a5d0f5cf8cf2808019e3a814df7fc80 |
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