Malicious PDF — malware analysis report

Static analysis result for SHA-256 054df09c523be976…

MALICIOUS

PDF

73.5 KB Created: 2021-02-20 05:25:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 37e2f04f7a65458e83ea4eb594f3b99e SHA-1: d27f16c378d71146fcd3f711cddf4f8045edae07 SHA-256: 054df09c523be976de7efb1d6fcc485eb5042ec9a56a8df000caf961f906cd2f
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://baarspo.ru/wb?keyword=ac%20joint%20separation%20band%20exercises PDF link annotation
    • https://cdn.sqhk.co/govamopega/hehdjin/kojovenizivekomixizuse.pdfIn PDF document text
    • https://ragurinibobuma.weebly.com/uploads/1/3/3/9/133986244/zaxasebi-maxugaj.pdfIn PDF document text
    • https://cdn.sqhk.co/vajirasavuz/i9Sjeie/pilot_logbook_cover.pdfIn PDF document text
    • https://waferipesor.weebly.com/uploads/1/3/5/3/135307907/kagike.pdfIn PDF document text
    • https://kebopudej.weebly.com/uploads/1/3/5/2/135298692/pavexefux-fukewamexe.pdfIn PDF document text
    • https://xigobiniliw.weebly.com/uploads/1/3/5/2/135298108/mugejejizazamo-wirewe.pdfIn PDF document text
    • https://rikekipodoze.weebly.com/uploads/1/3/0/7/130776447/6270555.pdfIn PDF document text
    • https://pajejasebuwosiw.weebly.com/uploads/1/3/0/8/130813778/ledexur-xavaxubufe-xegilinik.pdfIn PDF document text
    • https://wibotutez.weebly.com/uploads/1/3/4/0/134012840/dilokuw_mefan_kulaxoni_zadasixet.pdfIn PDF document text
    • https://direwuberegenis.weebly.com/uploads/1/3/4/3/134361890/1285470.pdfIn PDF document text
    • https://cdn.sqhk.co/wifopuzuxiba/heKgd71/dreamers_and_schemers_coupon_code.pdfIn PDF document text
    • https://gobewuguwug.weebly.com/uploads/1/3/6/0/136056794/610655.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://duwimufowewis.epizy.com/pakotu.pdfIn PDF document text
    • http://nezaxominif.epizy.com/72664047494.pdfIn PDF document text
    • http://bavidoripo.epizy.com/sedadakafoledus.pdfIn PDF document text
    • http://gizimup.epizy.com/putedutewugapoporeget.pdfIn PDF document text
    • http://jodekiwob.rf.gd/jarusojapabema.pdfIn PDF document text
    • http://nugafafekovad.epizy.com/90682642726.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_off0000e49b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE49B 5308 bytes
SHA-256: 48d7ec2b5670f53d078fcaa1bf10aa8cd053762d4da0ab65afc1c6e8ab832cd2
font_01_sfnt_off0000f6ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6BA 10056 bytes
SHA-256: 0582e010d6bdb15d9fcf85ff9553a4dc1620c062019d41663620000897ed3ed2

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