MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute further malware. The presence of embedded URLs and the nature of the link farm indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbdfcebaa0---pikomekopij.pdf
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/ipl14i872s158qdapjc3ah7oi4/taxolukidewinob.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/r7ahkee93r3grretpoqkp3uunf/6700570694.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c688c5b62b7---44429931077.pdf
- https://nepalmicrofinancesummit.org/userfiles/files/jifularikalumaku.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/jsqiu1e6u3670df0vbsibp57bi/16136036562.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa01a39ed01---nufozibisorenim.pdf
- http://budka39.ru/files/72766585603.pdf
- http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e8364d626---xologulur.pdf
- http://russkiivopros.com/images/FCKeditor/file/napapobe.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/302860f4ec73e09bda79ca6db7157d97/jixebusaverejodap.pdf
- http://altaprecision.com/userfiles/file/diregizev.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160984cdc4c928---bozawaxeditikojejipek.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/a37b52bbb6b93ed53a0b90c93f4b7bf1/laripegoderarad.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d20f2b4705---47584563985.pdf
- https://mimpiindah168.com/contents//files/66294310835.pdf
- http://suarezbeltran.com/aym_images/files/36499569061.pdf
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160db0467967d5---zovipidawepimawun.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbb425e472e---rapoweziforosirabem.pdf
- http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607846a25b23c---67657285150.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8cce76f64---rofibozexofokata.pdf
- http://limuzine.md/userfiles/file/50976087848.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=the+others+elaine+cassidy
- 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_off0000cc40.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC40 | 16792 bytes |
font_01_sfnt_off0000e452.bin15fc63cfe591dcf3d5e7848e6eb2c4034d8e6153b51b87e214517b6fcb5bb8a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE452 | 17104 bytes |
font_02_sfnt_off000110b8.binf30edb767a9dc5d72d5c98f60d6b3d1d8d0e1202406db7bc1bcd340e4ba03e92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B8 | 10544 bytes |
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