Malicious PDF — malware analysis report

Static analysis result for SHA-256 44b0ae999940ad21…

MALICIOUS

PDF

72.7 KB Created: 2021-02-17 21:42:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: a76bfa35ddf917618ea13814c1e6a44e SHA-1: 15413297e61bf9e084f8bcc90c0b7996c187e227 SHA-256: 44b0ae999940ad2111ed216664cf32cfc57b9633336513184deece06352ae847
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://jottigo.ru/wix?keyword=diamond+hollow+2+music PDF link annotation
    • http://alania365.ru/mutovuwowunabilumexazjd3ox.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466411/normal_60117bb563468.pdfIn PDF document text
    • http://flipping-car.online/60620269067y4ast.pdfIn PDF document text
    • http://health2health.online/fikaryfrz2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410020/normal_601c750a6680b.pdfIn PDF document text
    • http://autocredit.moscow/monthly_calendar_google_sheets_20207t5qo.pdfIn PDF document text
    • https://vefoduwuwi.weebly.com/uploads/1/3/4/9/134902927/kapofuzupebuluve.pdfIn PDF document text
    • http://microbladingcertificationdfw.org/fokegonitde.pdfIn PDF document text
    • http://bogplaktnc.fun/22131702139dq1tr.pdfIn PDF document text
    • http://fuxivipusutipu.iblogger.org/muvixelunatorowejutisolex.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366011/normal_6004a8f8d6543.pdfIn PDF document text
    • https://kimiligemapi.weebly.com/uploads/1/3/4/3/134343210/e621728.pdfIn PDF document text
    • http://securityverifiedservices.com/96897344569r3mto.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/xifabilejilab/juxabovavo.pdfIn PDF document text
    • http://rejazimuperolik.rf.gd/raluzetoridevebafediluz.pdfIn PDF document text
    • http://besinaxot.epizy.com/xugegegoxusevu.pdfIn PDF document text
    • https://s3.amazonaws.com/najipavez/61782294884.pdfIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/67991652074.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_off0000e035.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE035 5304 bytes
SHA-256: 580e0c05ad3bff5159940655322ee99e3d373ee2e254dbd0110f0781cb824dc4
font_01_sfnt_off0000f236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF236 10412 bytes
SHA-256: 380544777531d4ba94d4b3c2575dcff34a2bce5ac48da8fe9b628882aef694e2

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