MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many pointing to PDF files, suggesting a link farm or redirection mechanism. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution. The embedded JavaScript is likely used to facilitate the redirection or download of further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://trafficel.ru/123?utm_term=ark+extinction+map
- https://vetaneje.weebly.com/uploads/1/3/4/7/134729364/3360890.pdf
- https://xamegazu.weebly.com/uploads/1/3/4/4/134440804/5326523.pdf
- https://suzokapiwewop.weebly.com/uploads/1/3/4/3/134351383/b2f155513ac85b7.pdf
- https://cdn-cms.f-static.net/uploads/4370286/normal_5fa1517db622c.pdf
- https://cdn-cms.f-static.net/uploads/4369511/normal_5f90d1f225567.pdf
- https://kulirudezu.weebly.com/uploads/1/3/4/5/134583820/6137432.pdf
- https://cdn-cms.f-static.net/uploads/4375694/normal_5f9449eee241d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/woxorojero/66538754621.pdf
- https://s3.amazonaws.com/widiku/demowopoluvoxisabafifuwog.pdf
- https://s3.amazonaws.com/jewizopukuni/tumiwuxalorovosuxa.pdf
- https://s3.amazonaws.com/gulapore/bedumozakup.pdf
- https://s3.amazonaws.com/wajibile/best_video_player_android_chromecast.pdf
- https://s3.amazonaws.com/degisapemifa/physics_kinematics_worksheet.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_off0000d1ef.bin2e33017fd66487e65fde777336920b94121349c3a7c2598e888422c865d2d3f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1EF | 4988 bytes |
font_01_sfnt_off0000e2d6.binf3933ea645b5bbd3d026fa2fb8a861663e207bfb6d64fc6b356a4c5628e9b675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D6 | 10340 bytes |
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