PDF malware analysis — malicious · 35526150bb83fe50

MALICIOUS

PDF

58.6 KB Created: 2021-03-19 16:46:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c54bad8cf5f9387a59191d485db7b490 SHA-1: 0b5d8a31c5045c51d9f17f19ffa81917602733c0 SHA-256: 35526150bb83fe50af2b1846d490070879611fbf0f5dc0d009937775005d6d3d

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its image-only nature and embedded clickable link. The ClamAV detection and ML classifier strongly indicate malicious intent. The primary IOC is the external URL which likely leads to a malicious site or payload.

Machine Learning

Nyx PDF Classifier malicious score 0.6608

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 58 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://leonvi.ru/aws?utm_term=dr+seuss+books+for+sale
- https://cdn.sqhk.co/fazituku/e9yXIgi/air_combat_racing_download.pdf
- http://xanimupa.22web.org/outside_magazine_contributor_guidelines.pdf
- https://static.s123-cdn-static.com/uploads/4379605/normal_5fed19d77b480.pdf
- https://cdn.sqhk.co/wodaximewule/fTGDieE/call_of_sparta_hack_2020.pdf
- http://jinobuzid.scienceontheweb.net/business_email_writing_exercises.pdf
- https://cdn.sqhk.co/daxegajok/pugfttR/black_men_s_haircuts_with_dreads.pdf
- https://cdn.sqhk.co/viwedanej/fhdRGCX/goal_arsenal_news_today_now_live.pdf
- http://subumobo.22web.org/business_process_automation.pdf
- http://jukejed.mypressonline.com/nutazunojuviki.pdf
- https://cdn-cms.f-static.net/uploads/4461777/normal_6012950648664.pdf
- https://cdn.sqhk.co/benanejufa/OHpjjgg/notepad_compare_plugin_64_bit_dll.pdf
- https://uploads.strikinglycdn.com/files/3e816f87-02a6-4328-a1b3-2b02b885d03b/ti_nspire_cx_charger_walmart.pdf
- https://068ba8bc-08b0-4b68-8151-f3c59c7a5775.filesusr.com/ugd/5a4aad_f03eed4769c14e30ada19fe02261e0f1.pdf?index=true
- https://uploads.strikinglycdn.com/files/3fcbc4af-b47b-4511-9a0d-953e77a17bf3/33037222473.pdf
- http://zefixufedinokas.epizy.com/97936796225.pdf
- https://uploads.strikinglycdn.com/files/760586fb-781b-4026-8c6f-3f2b2e918ce5/sidunakorano.pdf
- https://59548cc9-d6a6-4b2e-bd73-2bfb7290c7b5.filesusr.com/ugd/3fd21f_0e1d2c5ad80f4e11afae8f1768809ab1.pdf?index=true
- http://pususarejopo.epizy.com/organic_compounds_chart_worksheet.pdf
- http://gakajitaju.atwebpages.com/45788881487.pdf
- http://bibalaluroxute.epizy.com/34583610710.pdf
- https://d1b33a7b-cde1-45d4-bc15-d4d3b6236ac5.filesusr.com/ugd/1d64af_70f58ae444cc4b8883e79456101473bc.pdf?index=true
- http://faxiruvud.myartsonline.com/14486440206.pdf

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