Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b28dad936692267…

MALICIOUS

PDF

66.8 KB Created: 2021-02-27 05:03:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0e7ff2029a88a856bb55d27ea65522f2 SHA-1: 899482a04ac59bf86cab347baf37176901e55b50 SHA-256: 6b28dad936692267ebfd55919620bff0e50727e444756460a2384176f314afc9
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://druttle.ru/wix?keyword=walgreens+ear+thermometer+manual+model+68-348 PDF link annotation
    • http://profer-opt.ru/87043544882wcbcc.pdfIn PDF document text
    • https://mokoluwi.weebly.com/uploads/1/3/4/5/134595511/nudisakewezuzik.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479673/normal_5fd7bf7122483.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481527/normal_5fe1f57468e81.pdfIn PDF document text
    • http://labiosdewonda.com/andrew_cardwell_rsiwwxuw.pdfIn PDF document text
    • http://chisto-chisto52.ru/lufulokirumzzye.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412593/normal_5ffffb894c75e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411923/normal_5fe657fe2ecdb.pdfIn PDF document text
    • https://wilegefozuf.weebly.com/uploads/1/3/4/3/134399327/2815510.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/tuxalowafokuvo/chronicles_of_narnia_full_movie_online_watch.pdfIn PDF document text
    • http://mezujegaweb.epizy.com/94596393319.pdfIn PDF document text
    • http://zebikijixikemas.rf.gd/7219453634.pdfIn PDF document text
    • https://s3.amazonaws.com/lezopobigeza/foxirob.pdfIn PDF document text
    • https://s3.amazonaws.com/rurosaveruk/98650026549.pdfIn PDF document text
    • http://sobogasitizi.epizy.com/70750015461.pdfIn PDF document text
    • http://gagarereforer.epizy.com/monuxafefidaboj.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_off0000c7f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7F2 5884 bytes
SHA-256: f75a379905987717de480b4beca69e131c1ab8dfc4e1bdb3bf9c10932953b9fc
font_01_sfnt_off0000dbda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBDA 10028 bytes
SHA-256: b9863a81f9936c5a3696568300b7df654d1b9927f67d28b8deb050d9cbc4ae56

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