Malicious PDF — malware analysis report

Static analysis result for SHA-256 d10715f168feccd5…

MALICIOUS

PDF

83.3 KB Created: 2021-03-04 00:02:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: dcf084301fafa887a475c8e87dbb3edb SHA-1: 95086b262d652483c941465f158e63686f3fc981 SHA-256: d10715f168feccd58235fbcc54cca54d504383869a3fe9557d717e8ddb800afe
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://seumenha.ru/strik?utm_term=what+replaces+kidde+kn-cosm-ib PDF link annotation
    • https://rozolabo.weebly.com/uploads/1/3/0/8/130814594/tekugir_puxafin_wekalawobemifem.pdfIn PDF document text
    • http://abistrans.ru/622675508402pzjy.pdfIn PDF document text
    • http://kdghy.online/oleanna_play6gpxq.pdfIn PDF document text
    • https://nopubogap.weebly.com/uploads/1/3/4/6/134667077/1512648.pdfIn PDF document text
    • https://s3.amazonaws.com/vukusa/setumusimaxad.pdfIn PDF document text
    • https://jurivulanikep.weebly.com/uploads/1/3/4/5/134525456/zawobizizesun-xopumiruvisij-fuzovepobo-lizurabafa.pdfIn PDF document text
    • http://naturaleone.space/tusozewepvd760.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447084/normal_6013eb5612d04.pdfIn PDF document text
    • http://dimozakebaba.scienceontheweb.net/pride_and_prejudice_movie_online_subtitrat.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375891/normal_5fdecc12e4ff7.pdfIn PDF document text
    • http://ubzvp.com/570688653729qg3a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365662/normal_60207ed1de2eb.pdfIn PDF document text
    • http://helplnstagramcontact6088757.com/how_to_use_sanwa_analog_multimeter60yv8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375886/normal_5fff5eec50c41.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383807/normal_600c201c79070.pdfIn PDF document text
    • http://zusiwibewire.mypressonline.com/troy_bilt_trimmer_attachments_home_depot.pdfIn PDF document text
    • https://s3.amazonaws.com/tufujifinobiro/folavogigadeli.pdfIn PDF document text
    • https://liwitozawaben.weebly.com/uploads/1/3/4/0/134042828/22ef25c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off00010758.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10758 5564 bytes
SHA-256: 3a92984c5662190b78d463d52caff39d72fa5b0aed8a6d21387d4b4d1dd7dfe1
font_01_sfnt_off00011a1f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A1F 11236 bytes
SHA-256: c752437abc65d2222c5955d238b84f3792825382a84fc234bf9a4210709661ab