MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The PDF structure and embedded content suggest it's designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://crysiq.ru/uplcv?utm_term=the+startup+owner%27s+manual+the+step+by+step+guide+for+building+a+great+company+pdf PDF link annotation
- https://enilubricantvn.hoakhanh.vn/uploads/image/files/mamutexilik.pdfIn PDF document text
- https://www.ojchamber.com/ckfinder/userfiles/files/jalebasa.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/donovu.pdfIn PDF document text
- http://lambanghieuquangcaogiare.net/vietkiendo/upload/file/dozuver.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/72182856979.pdfIn PDF document text
- http://stagelight.pl/userfiles/files/funugenitapilamazavami.pdfIn PDF document text
- http://xlpe.net/Images_upload/files/jugotarudeponarogijevope.pdfIn PDF document text
- http://hitelesen.com/userfiles/file/kuloxopumizusoganitevemit.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210918194737461214218.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/fetabovuvepudoxabifanev.pdfIn PDF document text
- https://limadelimon.com/images/file/17878453428.pdfIn PDF document text
- http://chenruichem.com/upload/files/99630091169.pdfIn PDF document text
- https://concurs-euclid.ro/upload/fck/dosalamonep.pdfIn PDF document text
- https://millinerandassoc.com/files/file/dumema.pdfIn PDF document text
- http://ziva-muzika.cz/files/file/49173008977.pdfIn PDF document text
- http://bright-mineral.com/uploadfile/file/2021090504215027.pdfIn PDF document text
- https://confetti-seasons.ru/upload/files/11648242257.pdfIn PDF document text
- http://kartelabasligi.com/images_upload/files/velibajif.pdfIn PDF document text
- https://graveyards-fuj.ae/userfiles/files/97070639439.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/98114752689.pdfIn PDF document text
- http://quiltingacademy.info/fckeditor/userfiles/file/ruwotabuzasemejugafo.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/74570523011.pdfIn PDF document text
- https://aiwcecckolkata.org/FCKeditor/file/20803953994.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/85478669742.pdfIn PDF document text
- http://alteredcompta.com/buddha/ckfinder/userfiles/files/fimuxalavemopadotiba.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_off0000d55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD55F | 11504 bytes |
SHA-256: 34ed2c775384dac8e0f048f57e1a4df951b760734696ddefb831e708f18a03fb |
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font_01_sfnt_off0000f01b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01B | 17844 bytes |
SHA-256: 653fbef1f6a211556a84fb83ccab6fdee9503b45630c992ab072c88fe64936e6 |
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font_02_sfnt_off00011e6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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