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 for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. The presence of numerous external URIs, many pointing to disposable domains and acting as link farms, strongly suggests a phishing or malware distribution attempt. The document body is heavily obfuscated, but the overall structure and heuristic firings point towards a malicious PDF designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://synerhu.ru/uplcv?utm_term=darth+vader+emoji+android PDF link annotation
- http://pekingtogo.com/uploads/files/nosavedorokagobotiwozef.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/32895460541.pdfIn PDF document text
- http://fygl.net/uploads/file/042018483229.pdfIn PDF document text
- http://vucert.vn/uploads/files/modarenujiva.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/sasuwofo.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021090423102173499.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/9595014164.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/47368900175.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/31172226101.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/riwejimofije.pdfIn PDF document text
- https://pokereshop.cz/data/file/91307767768.pdfIn PDF document text
- http://hotechike.com/files/files/somalososabisevawilupike.pdfIn PDF document text
- https://groupburuemas1.com/contents/files/30468839513.pdfIn PDF document text
- http://fulepmark.hu/nyebu/fulepmark/userfiles/file/xepodu.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ec6e0fbdc---dokunokadasasijolarixizi.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/34514161415.pdfIn PDF document text
- https://apartmani-mestrovic-krk.hr/files/kajonigefoden.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/pakesipujotapik.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/26234840982.pdfIn PDF document text
- http://recko.ru/ckfinder/userfiles/files/37469326418.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/lamudejigumavodaxepevaf.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/76003761090.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/56535707007.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/saxoduruwobagivogidakanu.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/a87bb39bc66649f7507c4f3c82a58035/kovolifovuvodijuwovumobub.pdfIn PDF document text
- https://khogiaydantuonghanquoc.com/images/news/file/32099589548.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_off0000e53e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE53E | 10496 bytes |
SHA-256: c5c5f36cf3569b5f75bfd4b1f23cc584799832eebab9fb39b9d0f43fe83670d2 |
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font_01_sfnt_off0000fce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F4 | 19132 bytes |
SHA-256: e3633bf77289d5ef57d33d8292929720e9b738a1843176194109e60639fa8017 |
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