MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many with 'utm_term' parameters suggesting tracking or redirection, points towards a phishing or malware distribution campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the document's function as a link farm on disposable hosting, reinforcing the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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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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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://archism.ru/uplcv?utm_term=one+block+skyblock+download+android PDF link annotation
- https://yuktogel.com/contents/files/todusukukugozu.pdfIn PDF document text
- http://zamgph.com/FCKeditor/editor/filemanager/connectors/php/uploads/file/110519414090.pdfIn PDF document text
- http://nenorm.com/files/files/davokuvasadeta.pdfIn PDF document text
- http://zenkatsu.dk/files/jekuzukusazi.pdfIn PDF document text
- https://thietkeweblongan.com/upload/files/48850644686.pdfIn PDF document text
- http://friulanamarmi.it/images/file/91204049941.pdfIn PDF document text
- https://playworkspartnership.ca/sites/default/files/file/tuloduforatikepopozewiro.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/vaxozi.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/56898417887.pdfIn PDF document text
- http://first-group.kr/ckupload/files/tumunekepi.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/2197082948.pdfIn PDF document text
- https://rosewoodcity.org/nbloom/fckuploads/file/vogekamolu.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d8715f5cf---pipizege.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/bananuwofuxidu.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/8260653251.pdfIn PDF document text
- https://egyseg.eu/ckfinder/userfiles/files/88918661530.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613732f4bfa61---vixuzoxazodejerurogebifa.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/86575871009.pdfIn PDF document text
- https://sonerofset.com/userfiles/file/86928537043.pdfIn PDF document text
- http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/39290054194.pdfIn PDF document text
- https://penzion-palice.cz/content/44488764337.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_off0000bdfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDFB | 10720 bytes |
SHA-256: d6e0e2389840ab74d2adfcdf868392149141e398d61a6d263cb169a493f940b8 |
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font_01_sfnt_off0000d6cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6CF | 17080 bytes |
SHA-256: d7eded74220b88b8e7bfbd0bfc3ca9ca97e7db0034bba371a7130ff734a3150f |
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font_02_sfnt_off00010329.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10329 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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