Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d68c90fded964c0…

MALICIOUS

PDF

67.2 KB Created: 2021-02-13 17:12:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: a7d7e8ef8e991ba1ee1181bdc5910f60 SHA-1: c16e31a374c804928bb2dabe9dda70526596fc6d SHA-256: 2d68c90fded964c09bec94a8cd337c6d492f6868b6a3710e92e12588bcd305a5
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://druttle.ru/wix?keyword=colombia+tv+en+vivo+apk PDF link annotation
    • https://wegotogad.weebly.com/uploads/1/3/4/3/134342574/a9c66365.pdfIn PDF document text
    • https://benezome.weebly.com/uploads/1/3/5/4/135400217/sijiwitoteduxisoropa.pdfIn PDF document text
    • http://copyrightreports.com/vivid_seats_event_ticket_insurance5vkd7.pdfIn PDF document text
    • https://ralixuviromod.weebly.com/uploads/1/3/5/3/135345966/rukibimajotog.pdfIn PDF document text
    • https://fogasofimoxor.weebly.com/uploads/1/3/1/0/131071298/dikukopase.pdfIn PDF document text
    • https://nunajamedagafep.weebly.com/uploads/1/3/5/3/135325778/nipadepirot_xavukegejoneso_lopexobu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493917/normal_5ff584b882fe7.pdfIn PDF document text
    • https://fefefilax.weebly.com/uploads/1/3/2/7/132712664/gujavoxopiba.pdfIn PDF document text
    • https://lesinagin.weebly.com/uploads/1/3/1/4/131454304/lojubavo.pdfIn PDF document text
    • https://xuzubakew.weebly.com/uploads/1/3/0/9/130969304/javurizokazaxe-tejezoluxut.pdfIn PDF document text
    • https://gomamuna.weebly.com/uploads/1/3/5/3/135304292/8879048.pdfIn PDF document text
    • http://health-top.ru/139747482230wsqq.pdfIn PDF document text
    • http://ig-copyrightnoticehelp.com/24378365569eds7r.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/vapelurowar/zozubikis.pdfIn PDF document text
    • https://s3.amazonaws.com/gavapozalilup/84682101980.pdfIn PDF document text
    • https://s3.amazonaws.com/rokuwapesu/aashiqui_songs_free_2013.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_off0000ce16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE16 4860 bytes
SHA-256: 528f0610688a557c3f0b9d0d35371eb69d9c46e1c119873f8724d72300ebd68c
font_01_sfnt_off0000de8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE8C 9756 bytes
SHA-256: e60954ed704db03c596bfcbd489d08c5cd47bb855bf483b1eefcc898d82551d9