MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains heuristics indicating it is a phishing or malicious document, including a large number of external links and ML classification flagging it as malicious. The embedded URL 'https://crophysi.ru/strik?utm_term=how+to+update+american+megatrends+bios' suggests a lure related to BIOS updates, likely to trick users into visiting a malicious site. The presence of PDF_SEO_LINK_FARM heuristic indicates a large number of links, many of which are to external PDFs, suggesting a link farm for SEO manipulation or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://crophysi.ru/strik?utm_term=how+to+update+american+megatrends+bios
- https://static.s123-cdn-static.com/uploads/4453342/normal_5ff90312cbdc9.pdf
- https://sekiwamabo.weebly.com/uploads/1/3/4/7/134729119/1f59c7.pdf
- https://lanudoda.weebly.com/uploads/1/3/2/3/132303217/jomusovonapixu.pdf
- https://kizekusoviwo.weebly.com/uploads/1/3/1/4/131453028/pukur.pdf
- https://static.s123-cdn-static.com/uploads/4393755/normal_5ffa7bacdc723.pdf
- https://jitolubupiloz.weebly.com/uploads/1/3/4/6/134637312/dafutarobamujefaradi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jolituzoji/tebawazoragozisop.pdf
- https://s3.amazonaws.com/juzewojavomofew/powermore_engines_review.pdf
- https://s3.amazonaws.com/kelukakeb/ninevag.pdf
- https://uploads.strikinglycdn.com/files/30000550-29b5-4812-bcd3-bac25b1970cb/what_does_a_crp_blood_test_tell_you.pdf
- https://s3.amazonaws.com/sefukirexuwekij/vevizomogexulibejabigi.pdf
- https://s3.amazonaws.com/kegubinefuda/belapur_fort_information_in_marathi.pdf
- https://s3.amazonaws.com/pevarijidasalop/1998_honda_shadow_1100_battery_cover.pdf
- https://uploads.strikinglycdn.com/files/4501a19f-619e-4be6-8a63-d771acdb3aeb/fojipojubodadegibex.pdf
- https://s3.amazonaws.com/zuniverijesud/fewozi.pdf
- https://s3.amazonaws.com/fifomi/crispr_guide_rna_design.pdf
- https://uploads.strikinglycdn.com/files/68bbdd49-0003-49b0-8b1d-e804fdb15ee8/the_art_of_racing_in_the_rain_movie_quotes.pdf
- https://uploads.strikinglycdn.com/files/3ab9fd90-9400-4dea-be9c-5ea8bc77ae7d/short_paragraph_on_dog_for_class_4.pdf
- https://uploads.strikinglycdn.com/files/9a0d66f3-5aac-4ee8-8d4d-4aef24a9e3ae/11721502270.pdf
- https://s3.amazonaws.com/jivamubug/fleabag_season_2_episode_guide.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_off0000e0fe.bin331a127b02ea6f8b5014ae957612abf79f86695502395239c58489415c6a26b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FE | 5556 bytes |
font_01_sfnt_off0000f3d4.bindf0768e82ba965d7592fea6cf53eded3ff43c81ef6109f39cffe6c4e879a43b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D4 | 10660 bytes |
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