MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it likely exploits a vulnerability or serves as a phishing lure. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites hosting other PDF files. These linked PDFs are likely intended to further distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/38fe7f7285c796d41a69d36a69d535c2/darifozoz.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087b658b7900---rasodeniwenasu.pdf
- http://aklond.com/UploadFilesfile///2021043004430557.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/tf04vs7olldlbemgb4ktikbu4g/74054452998.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ceba8a5296a---89833753804.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/l979ekj7n8rfhd3m7vufqc0vj9/94908225542.pdf
- http://bycongroup.com/UserFiles/file/95947291945.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ri8dpqbatchg134kb490787vg5/furozimesoze.pdf
- http://happypalettebnb.com/CKEdit/upload/files/rogowom.pdf
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/nudiwijaluxizenu.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607deeb3d445a---91104817829.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ihaosjpl6oacsajdfq04ec68sn/27715970249.pdf
- https://asiastudy.in/ckfinder/userfiles/files/25306994786.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2d2d37126---setot.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60d86c2096---725797017.pdf
- http://bogelaipigeon.com/upload/file/72098295369.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a58b770ac9f---fixuwedupomemisab.pdf
- https://smilaxlabs.com/userfiles/files/gozonuzavo.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b06ee3714---pezujikokedaxap.pdf
- https://amrapalispot.com/userfiles/file/39446367835.pdf
- https://apskarota.org/userfiles/file/42345161375.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4cb855a62---xupatofagi.pdf
- http://iphysiology.ru/upload/83501216746.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=guess+the+youtuber+answers
- 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_off0000bd15.binb3166b8db2f48821e293cab64545d07e11dd50886d652898003459bf2b761e9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD15 | 10544 bytes |
font_01_sfnt_off0000d53f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD53F | 16792 bytes |
font_02_sfnt_off0000ed51.bin6fffd1b7d456946fe53029aebab33cf7d96f0cb98611b7df4583ef21255ef7cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED51 | 15624 bytes |
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