MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to compromised websites, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirm this behavior. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution via these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://catamma.ru/uplcv?utm_term=mp+rto+list+pdf PDF link annotation
- https://accesoriosalmayor.com/images/userfiles/file/36700451182.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/161244cdb09f81---73507022735.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab99d2e39ce---makokenobejetozujipaginem.pdfIn PDF document text
- https://eucolait.eu/userfiles/files/keremopunakave.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160cd7de713d6f---35464889217.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/goresupomajapafarub.pdfIn PDF document text
- https://genegurumiraclehealer.com/userfiles/file/luvatexudepew.pdfIn PDF document text
- http://montesantangelo.it/files/files/56967214266.pdfIn PDF document text
- https://makiriaszto.hu/ckfinder/userfiles/files/budekosono.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8963b3e9d4---bapemimorafumeluxun.pdfIn PDF document text
- http://www.pacautomarketing.com/file/64849801261.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/koteb.pdfIn PDF document text
- https://livres-arts.com/ckfinder/userfiles/files/46508553719.pdfIn PDF document text
- http://domgr11.ru/uploads/files/35577009675.pdfIn PDF document text
- https://suprizpin.com/calisma2/files/uploads/98271370179.pdfIn PDF document text
- http://teplolux72.ru/upload/file/68405592130.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/33153779887.pdfIn PDF document text
- https://xuanhongkhang.com/upload/files/21517459770.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/28178616605.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/71894254109.pdfIn PDF document text
- http://granitemountainranch.net/userimages/levipukaferopi.pdfIn PDF document text
- http://waelfawzy.com/userfiles/file/fejomorijafa.pdfIn PDF document text
- http://kistours.hu/userfiles/file/novutexupezorex.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/40423664405.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_off0000b3fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC0E | 17752 bytes |
SHA-256: e716d4e95faac84c20fe3e08c97cc5902cd652ad335beb6e262f4e8e1a792e50 |
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font_02_sfnt_off0000fa6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA6D | 10088 bytes |
SHA-256: fc1a991e253d6b9e0229da6ac8c5763d1472c121f7881fe1c67999cac08f4d1a |
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