Malicious PDF — malware analysis report

Static analysis result for SHA-256 d85d9d43e9e2b33c…

MALICIOUS

PDF

76.2 KB Created: 2021-03-07 23:11:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: c9d7a20ed4bd63a4093d95d4b9ec39c7 SHA-1: 67945018f4f15b34e1234ec6a0ceff7f27c49d37 SHA-256: d85d9d43e9e2b33c33b3751209c96983521bb89144d55ab6593ff0bbbd90cd0e
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to common household issues, consistent with phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • 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://golowaki.ru/strik?utm_term=why+isn%2527t+my+fan+blowing+cold+air PDF link annotation
    • http://alexandreablog.com/what_time_does_uk_stock_market_openuxrhc.pdfIn PDF document text
    • http://melomone.scienceontheweb.net/how_much_does_nvivo_cost_for_students.pdfIn PDF document text
    • http://ravigimojamel.mypressonline.com/sigugaruzusabevowisaxaju.pdfIn PDF document text
    • http://jofufunobek.sportsontheweb.net/jozurise.pdfIn PDF document text
    • http://tuwimig.scienceontheweb.net/chemical_kinetics_and_dynamics_steinfeld.pdfIn PDF document text
    • http://teksol.xyz/swot_diagram_template_wordoits1.pdfIn PDF document text
    • http://instapodarok365.site/paid_mechanical_engineering_internships_near_melq3nj.pdfIn PDF document text
    • http://midunetojonawiw.mywebcommunity.org/kigonamaraledametiwa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bulozor/mikofenawexakipa.pdfIn PDF document text
    • https://s3.amazonaws.com/sakaburepagase/engineering_mathematics_stroud_7th.pdfIn PDF document text
    • https://s3.amazonaws.com/jezekemunidup/soxexowizavevebaleleror.pdfIn PDF document text
    • http://zupitatip.atwebpages.com/what_is_a_warden_in_jail.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e8250ab0-f740-4318-b1da-9a7e0333df6e/51570693817.pdfIn PDF document text
    • https://s3.amazonaws.com/kasuwevovog/finance_salary_guide_ireland.pdfIn PDF document text
    • http://sisufovofow.atwebpages.com/92056224556.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a588afb-49e6-4a82-ac99-d13862d1d2f7/xefumojewedewazidofobud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/450eb204-f54c-4e9c-861d-a2632308002f/83350367043.pdfIn PDF document text
    • https://s3.amazonaws.com/sulasatevirexo/dungeons_and_dragons_2000_watch_full_movie_online.pdfIn PDF document text
    • https://s3.amazonaws.com/nelizenejakarug/brush_calligraphy_worksheets_printable.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED2E 5816 bytes
SHA-256: e54250ed6ce4fcac8d23c64e80a09a1b8b0a7843e4f8fb1300c76552721ec073
font_01_sfnt_off000100f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100F7 10128 bytes
SHA-256: b43d5d1ddae6eebdfd3edd6edffa9db0300650be4de0b21f0e86879aa8e449a1

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