MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains a large number of embedded URLs, many pointing to disposable or suspicious domains, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the link farm nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pistant.ru/uplcv?utm_term=giochi+da+scaricare+gratis+per+android PDF link annotation
- https://hizlipin.com/calisma2/files/uploads/bizifadexisupuru.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/50853831842.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/41812694033.pdfIn PDF document text
- http://fialki.su/41799535111.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fe0a79fd8c---79926125830.pdfIn PDF document text
- https://saigonservices.vn/images/uploads/files/8712321044.pdfIn PDF document text
- http://ausafe.net/images/art/files/51907579331.pdfIn PDF document text
- http://wxdyzs.com/userfiles/files/62061771518.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/dedujij.pdfIn PDF document text
- https://adfaveo.com/image/files/20210926_124835.pdfIn PDF document text
- http://dc-07b6a75bc4d0.breakthrough-physical-therapy.com/userfiles/files/2415431258.pdfIn PDF document text
- https://ncsccalgary.com/userfiles/files/velemel.pdfIn PDF document text
- http://studiostocchi.eu/userfiles/files/51185373398.pdfIn PDF document text
- http://didula.com/img/file/mixebodof.pdfIn PDF document text
- http://khiensa.com/UserFiles/File/xesopesonijajiru.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/49376931351.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/pisagorokurar.pdfIn PDF document text
- http://sanga.asia/userData/board/file/risibina.pdfIn PDF document text
- http://vasset.bg/userfiles/file/butawuzorado.pdfIn PDF document text
- https://kstraders.com/userfiles/file/gopojit.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/dukenusuxizevodoxowakof.pdfIn PDF document text
- http://market-oborudovanie.ru/upload/file/nuxirulo.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/82236647686.pdfIn PDF document text
- http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/84371703603.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_off0000af70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF70 | 16496 bytes |
SHA-256: a2a3d2148cd1b55af06cf0c7102354372b7d6b1b6df3f4f20eedfed6fc54d9a3 |
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font_01_sfnt_off0000d8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CC | 10788 bytes |
SHA-256: d640c2d237455ed007703a9b994bd8790300fa0ffd175b8e257298695123bf71 |
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