MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The ML classifier and ClamAV also flagged this as malicious. The document body, though heavily obfuscated, appears to contain text related to 'Kings canyon loop trail', suggesting a potential lure. The presence of multiple links to external PDFs, some hosted on S3, indicates a link farm strategy, possibly for SEO manipulation or to serve as a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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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://gettraff.ru/strik?utm_term=kings+canyon+loop+trail+ebmud
- https://figuzenage.weebly.com/uploads/1/3/4/4/134472600/2774559.pdf
- https://static.s123-cdn-static.com/uploads/4414688/normal_5fc7d563bab4b.pdf
- https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/18e0487424f03.pdf
- https://xatomurukazaj.weebly.com/uploads/1/3/4/3/134378662/tanenuzedumo.pdf
- https://cdn-cms.f-static.net/uploads/4424349/normal_5f9d695f25b41.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/xumakomowi/zufemikiduroxajovizo.pdf
- https://s3.amazonaws.com/bufexa/general_astronomy_textbook.pdf
- https://s3.amazonaws.com/nitizobuv/funniest_kid_test_answers_messyourself.pdf
- https://s3.amazonaws.com/ximupuv/mizede.pdf
- https://s3.amazonaws.com/batiku/interrelationship_diagram_template_excel.pdf
- https://s3.amazonaws.com/kubafezin/chemistry_chapter_15_test_answers.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e388.bin8732bf4e80290117b8810f1fdd306a071b90c045b03f816e93c2c6174492b058 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE388 | 5604 bytes |
font_01_sfnt_off0000f68f.binf1849f4d4e8798ee7e4afc8fc55980f2ce4b713c2524fa618b71d161bec13c54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF68F | 10784 bytes |
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