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 content. The presence of numerous external URIs, many pointing to disposable hosting and acting as link farms, suggests a phishing or malware distribution attempt. The document body is heavily obfuscated, but the overall structure and heuristic firings strongly indicate a malicious intent to redirect users to harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://oniceh.ru/uplcv?utm_term=android+6.0+1+marshmallow+rom+zip PDF link annotation
- https://webrekruit.com/php_codes/Scott/VieauAssociates/code/userfiles/file/geratariwunepovudig.pdfIn PDF document text
- http://dsacare.com/admin/uploads/file/95815240027.pdfIn PDF document text
- http://1544-7419.net/upload/fckeditor/file/zutaxugudosapagojebajep.pdfIn PDF document text
- http://www.heksan.com.pl/file/4604668215.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/92577219408.pdfIn PDF document text
- http://santeh.md/img/files/ruvatuwerofitugobogapufi.pdfIn PDF document text
- http://www.bongbansaigon.com/uploads/files/81316463092.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/wovirejubolefixiwos.pdfIn PDF document text
- http://safarekhoob.ir/basefile/safarekhoobir/files/16568963004.pdfIn PDF document text
- http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/kozajow.pdfIn PDF document text
- http://scpt.it/userfiles/files/lajivotuwige.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/58909092886.pdfIn PDF document text
- https://www.puskinas.lt/ckfinder/userfiles/files/30671241766.pdfIn PDF document text
- http://salwex.hu/file/52792793464.pdfIn PDF document text
- http://abworder.com/uploads/files/30634108421.pdfIn PDF document text
- http://surausa.com/uploads/files/37357143576.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/bozifox.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161418e9aa1457---wosigogoronusatuv.pdfIn PDF document text
- https://birotex.rs/images/files/fikedoxuxujeturunapikaj.pdfIn PDF document text
- http://akatumusics-ang.communication-pro.fr/public/1283/contenu/file/zujoperupekoze.pdfIn PDF document text
- http://kaie.org/userfiles/file/20210918190929.pdfIn PDF document text
- http://ghibms.com/userfiles/files/28881603196.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/gavoma.pdfIn PDF document text
- https://harrisitalia.it/uploads/file/61135457088.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_off0000c53b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53B | 17776 bytes |
SHA-256: 8c472fc2923eb33c8d5e6995fa92b13b4578652c82cef45b8ae780411cf8d1b6 |
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font_01_sfnt_off0000f33c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF33C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B53 | 10964 bytes |
SHA-256: 30d0bd3d1358d7e7955483951aaa8b08b8cfa250f7b2e5891ef2a26bd536cb6f |
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