Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0ae6396afc16837…

MALICIOUS

PDF

75.4 KB Created: 2021-02-23 21:23:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: 30b6c91aa2b2015360d0b3e2bee287ef SHA-1: 472f892142117fd95e9bdda23267eea24f83087d SHA-256: e0ae6396afc16837cd9961145c36e44d89cce5366df0cd6c6543b17e08cb4cc5
96 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, which is also listed as an IOC. The ML classifier and ClamAV detection strongly indicate maliciousness. The document body, though heavily obfuscated, contains text related to a movie title, likely serving as a lure to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://druttle.ru/strik?utm_term=dorian+gray+full+movie+2009 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369632/normal_601ff3472d378.pdfIn PDF document text
    • http://jopkapopka.online/hkmet_kadn_2_izle_tek_parai5ace.pdfIn PDF document text
    • http://natenezen.22web.org/kenmore_80_series_washer_troubleshooting_guide.pdfIn PDF document text
    • http://stylecurtains.com/gaxigaramizvrh0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421468/normal_601d24abcbe0f.pdfIn PDF document text
    • http://theplafond.xyz/heaton_manor_school_ofsted_report_2018b6ad7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412151/normal_5fe4e138bd6c8.pdfIn PDF document text
    • http://smilex.club/simile_metaphor_personification_examples0pqfh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420036/normal_5fd1729916238.pdfIn PDF document text
    • http://figupatofewox.iblogger.org/classification_of_matter_worksheet_chemistry.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jiropikadebu.epizy.com/best_beginner_running_training_app.pdfIn PDF document text
    • http://vonodese.epizy.com/gasomipamiba.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/extent_report_screenshot_not_visible.pdfIn PDF document text
    • http://beninoduvewer.epizy.com/number_6_worksheets_kindergarten.pdfIn PDF document text
    • https://s3.amazonaws.com/napisakaluja/naruto_online_hack_tool.pdfIn PDF document text
    • https://s3.amazonaws.com/wupagivoz/forgot_password_email_template_content.pdfIn PDF document text
    • https://s3.amazonaws.com/tulosa/kavafejirisowapup.pdfIn PDF document text
    • https://s3.amazonaws.com/sagotomagin/funuzepuxo.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_off0000e53b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE53B 5500 bytes
SHA-256: 3b5cd961556751c3710c3c5737ae4cba6d35975883029fbaa2decc53fed9a00c
font_01_sfnt_off0000f7fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7FC 12344 bytes
SHA-256: ea22eea339f639482f4d4d77408c8b651a3511b2a49cb01e18b25024050e44f8

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