Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2061a01605e4229…

MALICIOUS

PDF

71.6 KB Created: 2020-11-26 04:16:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: b9555f18452cfbff576a01087ca5f28e SHA-1: 92b73be75903cba958970d218fa676df05905fc2 SHA-256: b2061a01605e4229adb448da0bc5033a36de2b05331eebe1587636262ac25838
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 ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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://traffine.ru/strik?utm_term=dragon+ball+mod+apk+android+1 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4461525/normal_5fbb137e5c0c3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410433/normal_5fbd7202aefa9.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/lososimap/music_notes_names_and_symbols.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa6a208d-5547-4baf-ab68-dd967fd7062e/72643983431.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e939b69-cf90-4ab5-aad8-bd9935095666/nalerevepofajojagewe.pdfIn PDF document text
    • https://s3.amazonaws.com/wizidimawag/zatipuwepibozixud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2f0bbf5-7cd9-4025-844e-4b01f78cf5eb/zizoruxekamapubus.pdfIn PDF document text
    • https://s3.amazonaws.com/xuxifuzituwu/approaches_to_the_study_of_international_relations.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b82c7111-a7f0-4648-8303-bf0b525fd1f8/befos.pdfIn PDF document text
    • https://s3.amazonaws.com/sikuva/55130136828.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/894d2219-3db6-4cf0-8ac6-759b6b2a8375/simple_harmonic_motion_problems_and_solutions.pdfIn PDF document text
    • https://s3.amazonaws.com/votawawo/zoxolagevimupodomipef.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/19e22903-9c89-40e1-a59a-ac58c182a71a/98358299265.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b090c9cd-e7a1-433d-9bbc-f884a15fb306/59972122929.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f92982b5-3fac-416c-9173-38d097055006/correction_livre_maths_terminale_s_h.pdfIn PDF document text
    • https://s3.amazonaws.com/woberiz/mathematics_quiz_questions_and_answers_for_high_school.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8e8cba1c-6740-4ec3-8c0b-c680e9bb74aa/jonathan_livingston_seagull_book.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_off0000daf5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAF5 5356 bytes
SHA-256: fb18838216535acdeac77c6daa9fe696b76a02bdb123297e446999ad5344a589
font_01_sfnt_off0000ed1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED1B 10804 bytes
SHA-256: c4cc9618942b8abdcc605e6cf103cb875e486ebdb0eedf6c61693fc439eca90f

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