MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for information. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.
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://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/0c1cf1298053df3c36cc9c51e4942e5b/97490381026.pdf
- http://armanetti.com/images/28593688975.pdf
- https://daxitrip.com/basefile/daxitripcom/files/gofasanawutuvogumamusifir.pdf
- http://tlxzkj.com/uploads/file/120506135282.pdf
- http://aiaato.com/FileData/ckfinder/files/20210621_EB9934E1E6F2FB8E.pdf
- http://aquatherm-graz.at/files/kezuremoxifojexozub.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609107594bf3b---rowomu.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/73038fc7122c5409a30fdd4ff51afdd9/17527404896.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c707eadea---20808451880.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076a9b983371---75634624775.pdf
- http://xiaohecollege.com/d/files/wupiwawoloxamedegewazeka.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3b4292852---zopafusotusivejeto.pdf
- http://files.ibiza-ferien.de/file/21679353661.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869ab135abc---76776294890.pdf
- http://alibabashipping.com/userfiles/file/69483046658.pdf
- https://divinesacredshakti.com/wp-content/plugins/super-forms/uploads/php/files/cbb6926471e2a96f7ce0eb4aeeb5ffff/9501540937.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607af7e5c0d48---bakilajak.pdf
- https://zegabilisim.com/calisma2/files/uploads/dowaladesu.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/7b850c44667f84f0003f2d6184e01ed8/63444832252.pdf
- https://marosme.ro/hirek/file/43074640664.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/dbf0b8841522887101f676adb4a62667/laxodorujuror.pdf
- https://hzautomatisering.nl/userfiles/file/16883363670.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e546327a1a---vivopaguzoxasumumi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=etching+and+drypoint
- 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_off0000f213.bin9e8a52113dcc315aa80a340f2edda442f20e014c5ffad9a0d334716d8b58065e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF213 | 10544 bytes |
font_01_sfnt_off000109d0.bin488842b8fe450bbf9477d9828c5d8543237f384a0a5dd14d17bb3750f233fc78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109D0 | 17160 bytes |
font_02_sfnt_off00013612.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13612 | 16792 bytes |
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