Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b7c7bf9ca280e7b…

MALICIOUS

PDF

72.0 KB Created: 2021-02-15 06:38:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: aeaad396e415bbe0142f03b88a1470ce SHA-1: 72318d64902a65e15efb77f22e18b488b1c81a94 SHA-256: 8b7c7bf9ca280e7b543fbc7674c4f57ae09a7d9edb9332cebaf2d1ceb9187d3a
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://bologen.ru/wix?keyword=the+boy+who+saved+baseball+summary PDF link annotation
    • https://fawofasoz.weebly.com/uploads/1/3/1/4/131454040/xodawupowurozemowezu.pdfIn PDF document text
    • http://zuluguvo.iblogger.org/widiwirivitedixidil.pdfIn PDF document text
    • http://copyrightshelpcenter.com/22498537314clarz.pdfIn PDF document text
    • http://fajutixosisi.22web.org/66136744273.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476596/normal_5fca3cee7b91a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420906/normal_5ff755c6443b1.pdfIn PDF document text
    • http://ing-cliente.com/yaprak_doku_C3A7alC4B1C59FmasC4B1_C3B6rneklerib6f8j.pdfIn PDF document text
    • https://kobalogowitat.weebly.com/uploads/1/3/0/7/130776452/gaxuj-povus-gogowov-majaxozexa.pdfIn PDF document text
    • https://getaforufuzok.weebly.com/uploads/1/3/4/7/134733873/416666f6def.pdfIn PDF document text
    • http://nutopul.22web.org/wells_fargo_dealer_services_payoff_information.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bowupezik.epizy.com/dowirozixurapedukifebaf.pdfIn PDF document text
    • http://giserokusifuzi.epizy.com/5360491864.pdfIn PDF document text
    • https://s3.amazonaws.com/rizijubovapuk/6268725715.pdfIn PDF document text
    • http://diduzivil.epizy.com/financial_reporting_hotel_industry.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/kigexovisuw.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_off0000dd4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD4C 5408 bytes
SHA-256: b04d6d831ec6361df815c86c17685b22c81fe550187cdc4c1c37cac4846528a5
font_01_sfnt_off0000ef97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF97 10432 bytes
SHA-256: 4776173c94fec0cdf907f2a9b1dfdd24ee1830cc1fddac28ba2272b0c4fb7915