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. The presence of numerous embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malware distribution campaign. The file's structure and content, despite being heavily obfuscated, point towards it being a malicious document designed to redirect users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://catamma.ru/uplcv?utm_term=22bet+app+apk+download PDF link annotation
- https://thietbixanh.net/uploads/files/tevivedojawato.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/miwowu.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/fekeritisutanegatudizik.pdfIn PDF document text
- http://bjavc.com/filespath/files/20210916133029.pdfIn PDF document text
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/0c3ef11d365bf112d44d94ac8b475fbd/vosewumubuwibaziboz.pdfIn PDF document text
- http://truhlarstvi-strakonice.cz/files/file/jejanena.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144d6837ae40---dunotineturawonizi.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/55084535000.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/76211121144.pdfIn PDF document text
- https://eniedu.com/data/file/20210914101205.pdfIn PDF document text
- http://eortak.com/img/fck_temp/file/loxifixilurulezodonas.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/bokopekemutunuwag.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/kideledaladorevuxigeli.pdfIn PDF document text
- http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/82444931394.pdfIn PDF document text
- https://auto826.com/uploads/files/zonekajos.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/62118999407.pdfIn PDF document text
- http://jumpinfit.it/userfiles/files/burubiwidunufusija.pdfIn PDF document text
- http://beccaro.it/userfiles/files/52983988947.pdfIn PDF document text
- http://promocode.lu/userfiles/files/digaw.pdfIn PDF document text
- http://siripanyalamphun.com/user_img/files/tufuxumos.pdfIn PDF document text
- http://uptownherndon.com/uploads/files/31573848291.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/85701715199.pdfIn PDF document text
- http://annabarons.com/files/files/tekejodokoxilatuwesapala.pdfIn PDF document text
- https://newsale.linyn.mobi/upload/ckeditor/pages/files/tifedimovotujusufege.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_off0000d555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD555 | 17084 bytes |
SHA-256: 2954daca02a7989b7cbca4046603a985fec63464a07499d4addd6ceec7f9c2fb |
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font_01_sfnt_off00010134.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10134 | 10368 bytes |
SHA-256: 13bdff9ceeb89fd538a977d1ddcb3c94afd07d28cb4b8ca23cc97b8a33c51bb9 |
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font_02_sfnt_off000118a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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