MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs, with one specifically identified as a link farm on disposable hosting, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to lead users to potentially harmful external websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://catamma.ru/uplcv?utm_term=animatrix+watch+free+online PDF link annotation
- http://vietsonplastic.com/uploads/userfiles/file/27524521437.pdfIn PDF document text
- https://tckontrola.hr/files/nabupikanudatolejezifan.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/51713771476.pdfIn PDF document text
- https://mmeasar.com/mmeasarfiles/file/45957239005.pdfIn PDF document text
- https://owop.challengersports.com/userfiles/files/10492231300.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/mepepoxijetaruti.pdfIn PDF document text
- http://taigesw.com/upload/files/kiguvelerose.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/rafenoweroxapat.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d48950d4b9---labigobudazak.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/93271916438.pdfIn PDF document text
- https://polaria.cz/images/file/88154288518.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/80258318956.pdfIn PDF document text
- http://salamino.pl/userfiles/file/53138882576.pdfIn PDF document text
- https://msiutilities.net/documents/64692130558.pdfIn PDF document text
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/4130eea1a7b6e07a7470312fa740d406/xawoxazujelur.pdfIn PDF document text
- http://orlickachata.cz/files/files/62311834218.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/fakuvopozi.pdfIn PDF document text
- https://swiz.eu/files/editor/39727331111.pdfIn PDF document text
- https://butchercurnow.com/img/shop/contents/99880049356.pdfIn PDF document text
- http://888spirits.com/userfiles/file/92488222001.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210914_79D7DB4E174C8580.pdfIn PDF document text
- https://mimpishio1bet.net/contents/files/diliwo.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/33860342735.pdfIn PDF document text
- http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/virazixanofete.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_off0000e4b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B9 | 10600 bytes |
SHA-256: dac958577e3707dc062b8e8585133a6ed59b21499fffde0d0780c6885db3b71b |
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font_01_sfnt_off0000fcce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114E0 | 18380 bytes |
SHA-256: 1bbd10e64fce55df9028cf21f16827fa1abced04b915fd14afd126f2c5208e04 |
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