MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains numerous external links, suggesting a link farm or phishing attempt. The document body, though heavily obfuscated, implies a lure related to a 'company resignation letter'. No scripts were extracted, but the presence of external links indicates a potential for downloading further malicious content or redirecting to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://bologen.ru/award?keyword=company+resignation+letter+pdf
- https://cdn.sqhk.co/kakapoxavu/hd3gfsF/42712006504.pdf
- https://static.s123-cdn-static.com/uploads/4426945/normal_5ffbde340e8f7.pdf
- http://sakhavto.ru/satanorujavy7zp6.pdf
- http://jusukigib.sportsontheweb.net/i_pace_max_charge_speed.pdf
- https://static.s123-cdn-static.com/uploads/4496225/normal_5fc826800e76e.pdf
- http://zoluwofemofuper.sportsontheweb.net/56262071595.pdf
- https://static.s123-cdn-static.com/uploads/4454547/normal_5fcd88e9ca99a.pdf
- https://static.s123-cdn-static.com/uploads/4455881/normal_5ffbb46a276c9.pdf
- https://cdn.sqhk.co/lunexubafexo/hfFSgfs/jekubifoxude.pdf
- http://nuverlites.online/418661881551izx5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://88966db1-4a83-4446-b941-f65022a6235f.filesusr.com/ugd/928e0f_a3b24c7dd024454ba2d7a48b19f34142.pdf?index=true
- https://s3.amazonaws.com/wakuzidi/rezugumogeboginid.pdf
- https://s3.amazonaws.com/makumapikeze/lego_worksheets_ks1.pdf
- https://45180a89-8b92-4d54-a4c6-cdf0ad6af3c7.filesusr.com/ugd/2b98a3_dfe10ff4030c41ffae22d9c506b5390f.pdf?index=true
- https://s3.amazonaws.com/neporezofov/gumegufutifofolinuzetet.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_off0000ef07.bin9f251e178fa7bbb80081b7750e94d3b2e0990a335f7ef52077441aff7bdbbaa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF07 | 5368 bytes |
font_01_sfnt_off00010138.bin4f6b591a77dba9d080de718ebe6bc74816205f566963d8a303846a685ac64494 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10138 | 10804 bytes |
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