MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous links, many pointing to compromised WordPress installations, suggesting it's designed as a link farm. The presence of 'utm_term' parameters and the structure of the URLs indicate a potential phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crewmak.ru/uplcv?utm_term=red+eyes+deck+yugioh+legacy+of+the+duelist PDF link annotation
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a61c75b1ee---bonalenofemasotuzuxara.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb391a122d---lowogorozizopexubu.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ce66acde5---nuwimabomomuvabi.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/br3tm6bnljqtj1va1nsget50ld/27006026337.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b608f56d339---kuxerebikozozivikarogure.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/ab92ee5720cc7abd8d8ea35228e85003/24420296107.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/35389270076.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076ed8d88a2b---97456594672.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/b10ad8565b3432ea4f206b44733c819e/95498604664.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/solurolokorifawavifeputeg.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609643ab26b4a---36464202371.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/dozume.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/xofefuv.pdfIn PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/9a384a42abe65e2f9e763eabe8e9f924/39711174551.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE647 | 2900 bytes |
SHA-256: b3dfb2f2c41da7350fc3755141d2fd0ea5796bb125df25fec831093623ff73df |
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font_01_sfnt_off0000f08a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08A | 5360 bytes |
SHA-256: bdd71efb26bf82a2aae3b942bc7980d3ca3722c513fae87dfe06b29d5cda19f4 |
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font_02_sfnt_off000102de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102DE | 11052 bytes |
SHA-256: 305266c6d1feac284cbef763b88e2d9bcf4a12059b74ced5cc8eba1e68ed0598 |
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