Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ea2bc2d13a92e38…

MALICIOUS

PDF

65.6 KB Created: 2021-02-21 21:16:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 46f861b6d398ac13c8ad36f6fbadc5b6 SHA-1: e01ea40c81dd2ed0353b3de4073a5645d1ec431c SHA-256: 0ea2bc2d13a92e382d1d6f133289e2aeb366f53dfb694e606d9029fadacc2e4e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a phishing site disguised as a search result for cleaning instructions. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the presence of external URIs and the nature of the detection suggest a phishing or malware distribution attempt.

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://jottigo.ru/strik?utm_term=how+to+clean+bissell+spot+clean+proheat PDF link annotation
    • https://cdn.sqhk.co/pevedapev/M4hiDgd/billie_eilish_instagram_story_archive.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/ih8wPgd/globe_suite_smart_bulb_review.pdfIn PDF document text
    • https://cdn.sqhk.co/dovoxukeni/4Xhahbu/vubozopumopidapibam.pdfIn PDF document text
    • http://kulinar2020.site/calculo_numerico_livro_download5wl49.pdfIn PDF document text
    • https://cdn.sqhk.co/tiwumixe/aVbgcN2/ballet_dance_lessons_online.pdfIn PDF document text
    • http://safetymirrors.xyz/15311404662i45mr.pdfIn PDF document text
    • http://trysol.xyz/the_woodcock-johnson_iv_tests_of_cognitive_abilities_evaluates0yvol.pdfIn PDF document text
    • https://cdn.sqhk.co/kajurineg/dhckpgh/26448549064.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/zobuwubedak/wewebozuwewa.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/hypothesis_testing_problems_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/41248135630.pdfIn PDF document text
    • https://s3.amazonaws.com/dumupa/89808946574.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/business_plan_template_free_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/zamemigojat/18901809473.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_off0000c590.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC590 5212 bytes
SHA-256: 17f2d0c66cc381871164cad14e2e34ccd163c5f07e9833aede2982e70b646b75
font_01_sfnt_off0000d74e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD74E 9944 bytes
SHA-256: 6a76f556462486a19208d43295ac87966d2f520a8afcd4c6a5779695f9063f43

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