Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc8a0bcd02254198…

MALICIOUS

PDF

65.4 KB Created: 2021-03-26 17:50:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e2945d8279845b4ba4152c07386a5d70 SHA-1: 3d649481adf04d17e93e77b0a46cb975aca035b6 SHA-256: cc8a0bcd02254198d96ac58c94fe364a8f0af343d18e388f50a328b9febfd7fa
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. It contains numerous embedded URLs, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to 'arduino cnc drawing machine pdf', likely to entice clicks on the embedded malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9010

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://resalured.ru/award?keyword=arduino+cnc+drawing+machine+pdf PDF link annotation
    • https://cdn.sqhk.co/marixefe/7hfidje/sivimemilezutadaw.pdfIn PDF document text
    • https://cdn.sqhk.co/kejofuvata/tjjggZh/lapejakuwelejuvagalepilow.pdfIn PDF document text
    • https://kifofudodor.weebly.com/uploads/1/3/4/8/134878181/lonede-porididisedij-vefilivufekosux-sofadapopuxi.pdfIn PDF document text
    • https://cdn.sqhk.co/wiluxuko/jhgiEgh/college_football_playoff_national_championship_2020_tickets.pdfIn PDF document text
    • http://gezilobogobig.22web.org/tekarinuwuvorepetode.pdfIn PDF document text
    • https://jososipiwudamuw.weebly.com/uploads/1/3/2/7/132740918/997abac9f672.pdfIn PDF document text
    • http://front-glass.space/sulitowaku6s7v8.pdfIn PDF document text
    • https://notuvovezed.weebly.com/uploads/1/3/1/3/131382721/midotabaguzol_gozemidafef.pdfIn PDF document text
    • http://xalowazejadiv.getenjoyment.net/radical_candor_free_download.pdfIn PDF document text
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    • http://adminhalil.com/a_mothers_reckoning_sue_klebold4i2zi.pdfIn PDF document text
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    • http://lulopoboxefon.scienceontheweb.net/asus_sabertooth_990fx_r2_0_manuale_italiano.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b8d783d5-63d2-4bdf-9233-72398a4ca7bc/how_to_change_hp_deskjet_2652_ink.pdfIn PDF document text
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    • https://uploads.strikinglycdn.com/files/d2a90ed5-2885-452b-8919-9664a9218e15/wojigerenojofakefawukewox.pdfIn PDF document text
    • http://livuladebugalab.rf.gd/rumi_poems_love_farsi.pdfIn PDF document text
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    • https://uploads.strikinglycdn.com/files/ad847ca0-41e3-4cb7-872c-2fd961286b47/buy_old_law_books_online.pdfIn PDF document text