MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple URLs that point to link farms hosted on compromised WordPress sites and disposable domains. These links likely serve as a lure to download additional malicious payloads or redirect users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pivotal-technologies.com/userfiles/file/26112154530.pdf
- https://ebooksweb.net/files/file/30934342745.pdf
- http://blpest.com/UserFiles/file/72164397687.pdf
- http://helder-effect.nl/userfiles/file/59949027852.pdf
- http://anaminfo.com/attachfile/file/lunalitevomukozomamudonuv.pdf
- http://builderall.info/userfiles/file/jerafowoz.pdf
- https://alajuusa.ee/media/contents/file/govaxipuguriful.pdf
- http://waltwhitman1964grads.com/clients/6/6c/6c9ae932573016e5ff31759a10dce4b4/File/dituxiromafizakar.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16095bd14e9777---86577677478.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082514729dc8---wadobanisanegakovarura.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ho1ddb5h6499ahvdd9elgjajh1/8056250490.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a41a15212d6---rutimimenujemelet.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/8oqev4bl799ebjruoot96u76j4/72350042442.pdf
- http://bendhorseride.com/userfiles/file/wenumepoka.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/9e0ffa7da45efb282da2c321d1ce3650/57074654130.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160986bd33d813---benekikeminedaxukutasisus.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160944215b0d33---seniguzezonejowazuxexejas.pdf
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d3c63ff48---41670708346.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607047459acd0---nexedasabovakitex.pdf
- https://uetty.xyz/js/ckfinder/userfiles/files/lefuwabizafofe.pdf
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/6lm96t471mb8i9caj8jcn63aai/33067236662.pdf
- http://70sromans.com/clients/871711/File/nisosoporupekekixo.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16082368c5dbd3---58552380325.pdf
- http://smclassof57.org/clients/34860/File/supup.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=the+book+in+the+table
- 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_off0000e8fe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FE | 16792 bytes |
font_01_sfnt_off00010115.bin6e3bea0de70d53f166193fe6c136255ec8795eda47d35b5bf2b801b18201b6f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10115 | 10132 bytes |
font_02_sfnt_off000117a3.binf555149507977e1dd7d424a70f38e423a692704e863ea7918b00564ae0e7af91 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A3 | 16964 bytes |
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