MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous external URLs, many of which are hosted on compromised or disposable domains. This suggests a phishing or SEO manipulation campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://best-label.com/upload/files/putofefasodokutawenuje.pdf
- http://www.tobywells.org/media/fckdir/file/71804245267.pdf
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacbf7cbb2---dotarexupirufulibilulov.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c89abd7782d---toneluxujadisewat.pdf
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/be3ca7752a7fbd79309d1526713a7a9d/navuramotagivoviwigaz.pdf
- http://kristenpell.com/userfiles/files/59789987087.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/732565df650bbb1957422d3192c014e3/35370385227.pdf
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1fc2eef0e---zuwobowixiw.pdf
- http://alexlunacoach.com/img/editor/file/witulawomawufaludiputefun.pdf
- http://www.proyecpapel.es/ckfinder/userfiles/files/65010978597.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607daad280f99---77342560681.pdf
- https://aymsoft.us/aym_image/files/fuxolewebedisonodu.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/nkmevcjq7rurn92tgbaunl7ij2/pitepusefidekuwi.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd78a327d9---nazepubefol.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/d6136f0d22f7713fbfd654b1d2118a84/36198070937.pdf
- http://bandenplaats.nl/cmsimages/file/63962850758.pdf
- http://bixenony.com/userfiles/files/56574346376.pdf
- https://infrastone.com/userfiles/files/78445605367.pdf
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf908889228---poluvebetedigasemikuz.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/5890b6c41cacd09af918454963529ac7/xeditijadiwog.pdf
- http://akcjonariusz.com/UserFiles/file/tasolojopow.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=simultaneous+equation+solver+elimination+method
- 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_off0000f0ba.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BA | 16792 bytes |
font_01_sfnt_off000108cc.bina95353727429b4e1958906b3013bd7c752cfb2d3d90790538d5da5580a8e52f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108CC | 17604 bytes |
font_02_sfnt_off000136f2.bina049bc33da1f519918fa158632a83303a3f39d967a3bd1500ccf712eadf8a45b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F2 | 10900 bytes |
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