Malicious PDF — malware analysis report

Static analysis result for SHA-256 9039d0e92544f299…

MALICIOUS

PDF

70.4 KB Created: 2021-02-17 01:19:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 9d14fe1547f18834dc64c8f546d60fef SHA-1: 00337b05fe6e1679546b87cc19c28cfbd87bdf96 SHA-256: 9039d0e92544f29931797ab364ab9ec4f6a813db2a84f1ed7a5e0511293162ce
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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
  • 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://jacksth.ru/aws?utm_term=2017+lexus+rx+350+cargo+capacity PDF link annotation
    • https://gatamerat.weebly.com/uploads/1/3/4/0/134000446/7557938.pdfIn PDF document text
    • https://cdn.sqhk.co/gejupajo/jbTaazF/2505893519.pdfIn PDF document text
    • https://gozexorajive.weebly.com/uploads/1/3/4/6/134610068/e8dc44520cb0.pdfIn PDF document text
    • https://vunidiripoga.weebly.com/uploads/1/3/1/4/131453449/5c951a7.pdfIn PDF document text
    • https://cdn.sqhk.co/moxibusas/aQq8hgY/mukitodovibovukilevonufi.pdfIn PDF document text
    • https://cdn.sqhk.co/bilanogakiw/sjb6ij4/real_moto_2018.pdfIn PDF document text
    • https://fokurojisek.weebly.com/uploads/1/3/1/4/131438639/7481544.pdfIn PDF document text
    • https://cdn.sqhk.co/benibavagoge/hecowii/neperofufonuxibova.pdfIn PDF document text
    • https://dekedenavit.weebly.com/uploads/1/3/4/6/134612093/2628526.pdfIn PDF document text
    • http://musofiron.ru/xaxizuwowoziretebufemo9b1ye.pdfIn PDF document text
    • https://jaxikagiwuzeno.weebly.com/uploads/1/3/4/6/134698588/2207441.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/sepawi/app_agenda_delen_iphone_android.pdfIn PDF document text
    • https://s3.amazonaws.com/ninazarila/53562321711.pdfIn PDF document text
    • https://s3.amazonaws.com/kefiperizonofu/43197560068.pdfIn PDF document text
    • https://s3.amazonaws.com/wixamupelinere/allergy_report_toronto.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_off0000d356.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD356 5872 bytes
SHA-256: 97b110a838edb8f9af6f44e56654a170a417520bf844dc7d3fdde3b337d61494
font_01_sfnt_off0000e776.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE776 10912 bytes
SHA-256: 4d4aefc524d3dbdd01e2a0f662c449921c1934803c9be7b3a21eaff131dc7346