Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cf1f97f72a6b6b0…

MALICIOUS

PDF

72.4 KB Created: 2021-03-04 15:29:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 93c4252c023882ffb93251c55981daf8 SHA-1: 76244e1f5781496d15e9088c477f9863fa13d2c0 SHA-256: 7cf1f97f72a6b6b0b353dcf5dda0edb662d0b3fcbc7c3c7a0ef540654b1fe70a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://vilenefex.ru/award?keyword=canon+650d+second+hand+price+malaysia PDF link annotation
    • http://lowabunuzoxa.getenjoyment.net/v_for_vendetta_book_review.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424666/normal_602fa8fde9175.pdfIn PDF document text
    • http://lufexaxoxak.mygamesonline.org/90136011557.pdfIn PDF document text
    • http://zeboxagekej.sportsontheweb.net/1786429782.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414339/normal_60318a2949e8f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379603/normal_5fe3e37456e68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388062/normal_603e65bb82699.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4494430/normal_6027431ed2743.pdfIn PDF document text
    • http://beduzevitugok.mypressonline.com/is_there_a_book_of_enoch_in_the_catholic_bible.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4491173/normal_5ff7c118d1a73.pdfIn PDF document text
    • http://kenugizi.getenjoyment.net/ejercicios_de_ecuaciones_de_primer_grado_2_eso_con_soluciones.pdfIn PDF document text
    • http://zojulosopejozaz.iblogger.org/24750352109.pdfIn PDF document text
    • http://zimezobot.getenjoyment.net/95375628880.pdfIn PDF document text
    • http://mitatizizuje.mypressonline.com/78595009563.pdfIn PDF document text
    • http://jarewitof.mypressonline.com/xasubinorodakepave.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426280/normal_5fc97b07d5dd9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446390/normal_5fecfa52a14a7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://folalolitawos.epizy.com/96998140425.pdfIn PDF document text
    • http://jowokepo.atwebpages.com/26368519612.pdfIn PDF document text
    • http://lenixad.epizy.com/36038458653.pdfIn PDF document text
    • http://lizuruvabeg.epizy.com/57994830458.pdfIn PDF document text
    • http://gixiluvigatekij.atwebpages.com/the_lion_king_full_movie_in_hindi.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_off0000dddf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDDF 5740 bytes
SHA-256: 7ae976f14214e575ef04527f8d3b48b7ca9f5353e2adc1e51aa7a4e5de8cd74c
font_01_sfnt_off0000f146.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF146 10132 bytes
SHA-256: c4f69b57617db6d2a47eec7dc0551b3f6b26ca8fa5a4522f222e4d1c2c8129d5

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