MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, including WordPress upload storage, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely leveraging embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://krisoc.ru/uplcv?utm_term=oh+the+blood+of+jesus+song
- https://okinawa4d.com/contents//files/zinagojemawukujado.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/1c7b0e3921756965d3568ad8b0020549/buxidosimurukafikobup.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/1uoj6ghhqlrtm3iheqmnoga9dl/munizapa.pdf
- http://falerisztika.hu/tmp/8539160498.pdf
- https://aeternoplanning.com/ckfinder/userfiles/files/65649420828.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/e5e5a1ec1a8e8d37fcf2d75335fa93ad/87568341131.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/87c6b681e26985a57d1ce8dc976247f6/55288860730.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/r70n2m7f11n8v076mhmk76rv91/36626465357.pdf
- http://engroupe.ca/aym_image/files/19377863198.pdf
- http://www.iece.in/userfiles/file/24361275074.pdf
- http://suapaiatuipelehakefamily.com/clients/80707/File/47376655017.pdf
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609662c383c22---41573531701.pdf
- http://ahkjt.com/upfile/file/16149929961.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/coejd8gijapioo3o4pmmvh03u3/80717604363.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9601f8d005---jafujutinewosasupawekud.pdf
- https://autosaloncenter.com/uploads/file/4929914683.pdf
- http://ncabhsa.com/clients/875427/File/valijojurezabato.pdf
- http://webbuilders.com/files/file/nulodebavunalezovatet.pdf
- http://skolicka.eu/foto/images/file/ketevedelerokodexi.pdf
- http://alexanderjamesbackcatalogue.com/userfiles/file/22567050345.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8bb53853cb---92351602901.pdf
- https://dintek.eu/uploads/file/91515959045.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08342eb475---4023554641.pdf
- https://aparcaderoshaddaichile.cl/uploads/images/files/kugemawolurerapupevuze.pdf
- http://halmar.info/userfiles/file/90641872388.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd29fcab247---56101744314.pdf
- 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_off0000bc72.bin89b1371e0f98cc7ebdbfc65be0e83f97abd12cc4f35ed1985ed6e7064170e0fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC72 | 16788 bytes |
font_01_sfnt_off0000e870.bincf78aad44ccdf423f04dd670439892d331bbe30f18dfb7a083072b334d9a3139 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE870 | 10676 bytes |
font_02_sfnt_off000100b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B2 | 16792 bytes |
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