Malicious PDF — malware analysis report

Static analysis result for SHA-256 750293ae029d440b…

MALICIOUS

PDF

68.2 KB Created: 2021-03-11 17:27:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: c9d0b76bd745cd269c71f40298173ca2 SHA-1: d022a9b4dd1f0b04bcb54a421d6d9033e911f1d6 SHA-256: 750293ae029d440b3e6a392b961c9c614c6037fc5f8a9bdc6d5b58a2e1983533
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/wix?keyword=wisd.us+phone+number PDF link annotation
    • http://lojapidabud.mypressonline.com/12438627664.pdfIn PDF document text
    • https://livadekawa.weebly.com/uploads/1/3/5/3/135317457/wamusarisu.pdfIn PDF document text
    • http://madoxorijegobe.sportsontheweb.net/somali_amharic_dictionary.pdfIn PDF document text
    • http://betixisu.22web.org/2495012531.pdfIn PDF document text
    • https://ratanamiwul.weebly.com/uploads/1/3/4/3/134327333/9817924.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383915/normal_5fe86a6521d1a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389108/normal_6018a16353e55.pdfIn PDF document text
    • http://tonedomopoja.scienceontheweb.net/76330200317.pdfIn PDF document text
    • https://goxatuzibifonev.weebly.com/uploads/1/3/0/7/130739188/gimuwigeligikiwa.pdfIn PDF document text
    • http://xupenirulavep.iblogger.org/swagger_codegen_cli_jar.pdfIn PDF document text
    • https://disumudumoronu.weebly.com/uploads/1/3/1/4/131408153/fobokukilopakoki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448540/normal_60301dd68a340.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ligoroxenafof.atwebpages.com/guitar_tabs_lick_it_up_kiss.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c236381-e019-46f4-b5a7-da85247a52ce/labox.pdfIn PDF document text
    • http://bamusob.rf.gd/4014327489.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d5bb593-8a38-4132-80ec-45211a953ecf/critique_of_pure_reason_kant_summary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6b156f7-87c4-43eb-81a2-911b56fe34fe/61045982155.pdfIn PDF document text
    • http://gapoxuvopa.onlinewebshop.net/11110770779.pdfIn PDF document text
    • http://fonumorawupako.epizy.com/61642779676.pdfIn PDF document text
    • http://newemepakirid.myartsonline.com/how_to_reset_zyxel_password.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_off0000d07b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD07B 5144 bytes
SHA-256: d80c9143d239f5837e6a4d1a67d84936179c0266bde08e409cdeadb147c38c79
font_01_sfnt_off0000e1d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1D6 9976 bytes
SHA-256: 3f3db13505aae90d2505040a0a3982c50b2b588f7f220d69dddcf776dd8e5d28

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