PDF malware analysis — malicious · 0b09448d9b9456cc

MALICIOUS

PDF

64.0 KB Created: 2021-03-20 00:50:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 4f236b13e674ddb3b419df9e643fdc31 SHA-1: 5c221558f2956ec8cdf0181359d2bba4031d0973 SHA-256: 0b09448d9b9456cc0a5f27737e957f4722a8032c19ed590c06b7ffa977dbe9a8

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.6626

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://dafemum.ru/strik?utm_term=onkyo+tx-nr535+bluetooth+pairing PDF link annotation
- https://cdn.sqhk.co/xonepogafix/cXCjjVM/708-_14_east_front_street_plainfield_nj.pdfIn PDF document text
- http://lezebapobal.22web.org/chadbourn_nc_police_reports.pdfIn PDF document text
- https://cdn.sqhk.co/vadavenaw/jjgcmjc/gacha_life_songs_twisted.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391024/normal_5fdf227d98d3f.pdfIn PDF document text
- https://cdn.sqhk.co/sifajoxojif/jiqN2jh/goladeva.pdfIn PDF document text
- https://cdn.sqhk.co/lunajevon/geehcih/puzzle_games_android_tablet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448542/normal_6045dd49c15c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4410462/normal_6007288f74ca4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480149/normal_5fd23c85a5483.pdfIn PDF document text
- https://cdn.sqhk.co/butituguxur/cihjaij/risk_analysis_techniques_in_construction_engineering_projects.pdfIn PDF document text
- http://rimiminigi.22web.org/badshah_new_song_djyoungster.pdfIn PDF document text
- https://cdn.sqhk.co/tagodepa/cKRjahd/horror_granny_scary_mysterious_house_gameplay.pdfIn PDF document text
- https://cdn.sqhk.co/tuwagezo/ciehijf/xazudoj.pdfIn PDF document text
- https://s3.amazonaws.com/pegebunov/house_music_beat_maker_free.pdfIn PDF document text
- https://s3.amazonaws.com/tiluwisulepam/app_store_for_pc_windows_8._1.pdfIn PDF document text
- http://rowabereduxafu.epizy.com/cringe_in_fear_crossword_answer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/90f3644b-f9ac-4b2c-8471-e893dfd3e0da/sebemalujofotagajiseniza.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7bc95a4-5d23-482f-8bd4-a4db30d544c0/98399388828.pdfIn PDF document text
- https://s3.amazonaws.com/fosalizuzu/esl_wire_anti_cheat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e32bd1e4-a933-443a-a047-b8055bd75bef/27159717912.pdfIn PDF document text

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