MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. It contains a link farm pointing to numerous compromised WordPress sites and disposable hosting, suggesting an attempt to distribute malicious content or phish for credentials. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://daltan.hu/userfiles/file/87352576496.pdf
- https://lotte-ppta.com/beta/assets/file/98209895877.pdf
- http://geoodwierty.pl/files/file/84823624773.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca4742197d9fc24a908307007e898ee2/gevovixunefoda.pdf
- http://s-moonlight.com/CKEdit/upload/files/disimatefad.pdf
- https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/2e4d35d8bd355e37a1b9dc06a9e57f8f/pirozuvoxupe.pdf
- http://botosani.ro/img/uploads/file/dededulemubigedif.pdf
- https://gikguamerica.com/userfiles/file/35299966757.pdf
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/cgp5lgdud8k638bb1jge6duq74/48223403716.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a14c3c8b79b---kamamipuk.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/bd358904d9244200169afc76d8295f71/bakofuwanix.pdf
- http://garderoba.sk/images/_file/36092495838.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3cb17bfec---nevalotetenesix.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d7e6b86b969---kisurapawowibupuliruwop.pdf
- https://suma.ca/upload/editor/file/zokisilizuwode.pdf
- https://ludifrance.fr/userfiles/file/mipininapufevevelax.pdf
- https://coimbatorepressclub.com/FCKeditor/userfiles/file/18583601538.pdf
- https://mk-promotions.com/ckfinder/userfiles/files/72190361925.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/a98671e9df83b23153976795254b401e/rijikunipolavaru.pdf
- http://delvalle68.com/clients/54584/File/52458178037.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/asgd7itritc4ocmnqjk7kkaqo7/90181978031.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4884dce6a---21784359083.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a1cac146754---bexuzenaperasazomekusojak.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=asian+trade+agreement
- 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_off0000ea9d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA9D | 16792 bytes |
font_01_sfnt_off000102af.binb95824fd1bdd7d8efee1f52a92257245687fd28ddadfdcaf1916b72f92e6d323 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102AF | 17464 bytes |
font_02_sfnt_off00013081.bin75af435d30680c4e9782688dd266b1b0f2600a9affef84b17cd596d376689062 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13081 | 10404 bytes |
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