Malicious PDF — malware analysis report

Static analysis result for SHA-256 030aff9441c9fc85…

MALICIOUS

PDF

61.3 KB Created: 2021-02-27 10:21:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 9c19421943abc9f726aaf49344549b6e SHA-1: 8e894decd2e5db8fba786ccc55bcb5f70434ff94 SHA-256: 030aff9441c9fc85b095f671b2a8a548725b92e283bb724473c01812ad0a885c
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to disposable hosting, and is structured as a link farm. The primary URL, https://jottigo.ru/award?keyword=the+merchant+of+venice+summary+act+1+scene+3, suggests a phishing or redirection attempt disguised as a search result. No scripts were extracted, but the PDF structure and URL patterns are indicative of a phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6478

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jottigo.ru/award?keyword=the+merchant+of+venice+summary+act+1+scene+3 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4365601/normal_5fce979f74d3d.pdfIn PDF document text
    • https://cdn.sqhk.co/kovezozeseg/FjhhcqM/nedigagupufo.pdfIn PDF document text
    • https://cdn.sqhk.co/wafavalufa/fLTAHjF/monkey_go_happy_5_final_stage_walkthrough.pdfIn PDF document text
    • https://cdn.sqhk.co/gaxozamikoge/jii8Zgg/nivegebut.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447263/normal_5ff75a3938da3.pdfIn PDF document text
    • http://veselutut.mywebcommunity.org/the_veldt_ray_bradbury_character_analysis.pdfIn PDF document text
    • https://cdn.sqhk.co/sobexofap/xQTpMii/tirumol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4423696/normal_60127fdb1fb6c.pdfIn PDF document text
    • https://cdn.sqhk.co/sixitigoxeto/f6XMjew/stickman_and_gun_3_hack_mod_apk.pdfIn PDF document text
    • http://purigoguwoz.22web.org/21856354495.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378406/normal_5fc96cf3ae8f8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379369/normal_5fede8baa69ed.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4377925/normal_5fc71a93a9375.pdfIn PDF document text
    • https://s3.amazonaws.com/pajukovuxetu/butaresoxonade.pdfIn PDF document text
    • http://rofefijikarox.rf.gd/plantronics_voyager_pro_plus_manual.pdfIn PDF document text
    • http://mapexas.epizy.com/kundali_milan_app_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pisik/academic_research_poster_powerpoint_template.pdfIn PDF document text
    • http://bukogog.epizy.com/letter_a_writing_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/kegubinefuda/3918898185.pdfIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/renunciation_of_probate_nsw_form_123.pdfIn PDF document text

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