MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm PDF. It contains numerous embedded URLs pointing to various domains, suggesting an attempt to redirect users to potentially malicious websites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate effort to create a large number of links on disposable hosting, a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://laborke.ru/uplcv?utm_term=autodesk+autocad+architecture+2016+product+key PDF link annotation
- http://apex-architect.ru/images/file/9521645747.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138d209380bf---muditazitod.pdfIn PDF document text
- http://quick-thailand.com/images/uploads/file/11353649486.pdfIn PDF document text
- https://ksboutlet.com/file/files/tizug.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/delisajiwewapijupis.pdfIn PDF document text
- https://led7.ru/file/91510985189.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/bozenixa.pdfIn PDF document text
- http://signauction.net/userfiles/file/14052654809.pdfIn PDF document text
- http://techcessgroups.com/userfiles/file/54674023565.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/93340576137.pdfIn PDF document text
- http://uslugi-ogrodnicze.pl/pliki/File/linebipotebizulawova.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/zajigume.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/fuvolim.pdfIn PDF document text
- https://wonkingchina.com/d/files/juxanizupafilisevegib.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/24234020538.pdfIn PDF document text
- http://silverspringabw.com/uploads/files/gesinurulum.pdfIn PDF document text
- http://willbramephotography.com/sowusawolef.pdfIn PDF document text
- https://datajournonepal.org/files/surugararisivajen.pdfIn PDF document text
- http://gat-asset.com/CKEdit/upload/files/53459812009.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/1341812315.pdfIn PDF document text
- https://skillmapmagazine.com/ckfinder/userfiles/files/82734598433.pdfIn PDF document text
- http://studiopignotti.it/userfiles/files/lisatipabekuvifabomafifit.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/3425945257.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_off0000ca80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE292 | 20260 bytes |
SHA-256: dd186774acf0a31d586460e021d48ab254caf4c710b9f6b678162edf9e69c5e7 |
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font_02_sfnt_off000117e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E5 | 11208 bytes |
SHA-256: 992a815e16f46d9357608bf58bb652f9b6312d7a54d0c5eca6ba22c1fd689ee7 |
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