Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f2089d33c6079ca…

MALICIOUS

PDF

70.5 KB Created: 2021-02-16 11:40:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8915568ada2cafda36abbb08a21eac8e SHA-1: 96259e5f080ceb3ab7a22625a54670a402ae4cb9 SHA-256: 8f2089d33c6079ca76e420a17fb143dae0c55139267deb264082665d21f28f8a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://maypoin.ru/wix?keyword=gotya+apk+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4393638/normal_600dec1f6ae05.pdfIn PDF document text
    • https://gapefupekud.weebly.com/uploads/1/3/1/8/131871489/wozotovur.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495254/normal_5ff2209e2c486.pdfIn PDF document text
    • https://kasasifu.weebly.com/uploads/1/3/4/6/134697732/vabaralovunopabo.pdfIn PDF document text
    • https://likufugusatu.weebly.com/uploads/1/3/1/4/131406708/1196897.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368955/normal_6028267737e4f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405202/normal_5fcede382e8b3.pdfIn PDF document text
    • https://wexipemeb.weebly.com/uploads/1/3/4/8/134860193/7711879.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nowuvopejolek.rf.gd/bible_questions_and_answers.pdfIn PDF document text
    • http://jinesiwi.epizy.com/zarathustra_nietzsche_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/jefobexapulow/86524244145.pdfIn PDF document text
    • https://s3.amazonaws.com/gixirojozogufux/rawewul.pdfIn PDF document text
    • http://nunevubedodunu.rf.gd/punjabi_love_couple_images.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/snake_iii_java_game.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_off0000d92d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD92D 5144 bytes
SHA-256: 70420ebfd3c11be46348a0a184e2eac8bf00ad22d78313cfd4168c3733d8689b
font_01_sfnt_off0000eae3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAE3 10120 bytes
SHA-256: 5cf229d5fed95865bc4cb68562c438aac7cc225a2f5ba3bf8218a12a651ae79a