MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, and the presence of 'utm_term' parameters suggests tracking or phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://pistant.ru/uplcv?utm_term=18+bwg+to+mm PDF link annotation
- https://binarbaidrealestate.com/public_html/userfiles/file/80679226039.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b1c1b9f85---zasoden.pdfIn PDF document text
- http://burchiellati.com/file_fck/file/70795598080.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/30458870416.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/e5aa5710f6d1e2298412e79acf19e1fa/44436259941.pdfIn PDF document text
- http://oishisushigd.com/uploads/files/73916600060.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/64e3b269013b7273b73f527b4f15f6c1/kazukokibafukowizusewamu.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/bb82be569ce46b09e1b51411bc87a08f/91714786044.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88a1e4287---kozetalo.pdfIn PDF document text
- http://cesishotel.lv/res/wysiwyg/file/19503125712.pdfIn PDF document text
- https://easypayindia.in/userfiles/file/22446845552.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089e16f2385e---96399744006.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210619100254.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16075cf8f6fd0f---54816000753.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/90273bb3jp6js2bn6cmn9qe9m2/witetewa.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894293f2f43---xidam.pdfIn PDF document text
- http://inspirationforexcellence.com/clients/66491/File/47244416732.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160716d58c3200---lezewamubolisuvud.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/6l5emeh4do0f204eh7moj4ir6t/91146053684.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/18344842558.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/46634deaf64cd3516b4487582bbc6c51/57215325810.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/52820849062.pdfIn PDF document text
- http://g-shocktou.com/user_file/file/babawukivixo.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609c774f9d71c---54937417187.pdfIn PDF document text
- http://tks-forever.com/upload/2021/06/26/file/77763053410.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e9dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DD | 18496 bytes |
SHA-256: 9e5361e6e40bb84c18d9072b9093af7ff85cb7c8deba7fa7b1b0a9d59a843e9e |
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font_02_sfnt_off000119da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119DA | 10036 bytes |
SHA-256: 4a08030654e73bfd6a3fe9280a9a06690df3e13123185bf191a13391a8d54823 |
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