Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3a21066310a97ae…

MALICIOUS

PDF

68.0 KB Created: 2021-02-20 03:07:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 36ba93771d73b0dec54f487f3bc4ed6c SHA-1: 6dc56e340de6d6a1c0bf723948d271da52a4ae12 SHA-256: f3a21066310a97ae60f8d389477adda1e4591b1c8e567a4026cc1cb2951146a3
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://leonvi.ru/wix?keyword=traffic+racer+cheats+ios PDF link annotation
    • https://lovaxases.weebly.com/uploads/1/3/4/6/134685664/88161970d29723.pdfIn PDF document text
    • https://zolegezuboz.weebly.com/uploads/1/3/4/4/134462972/8195814.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446645/normal_5fdab7f1d0fc7.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/faxaxos/84623953014.pdfIn PDF document text
    • http://milisepidug.rf.gd/android_mode_nexus_5x.pdfIn PDF document text
    • http://valolezame.epizy.com/kuxaz.pdfIn PDF document text
    • http://sidakofonol.epizy.com/why_was_the_usps_created.pdfIn PDF document text
    • http://gomojopovin.rf.gd/raxubesu.pdfIn PDF document text
    • http://romamosok.rf.gd/sulutigubepesagavutiz.pdfIn PDF document text
    • http://rebobimakefeli.epizy.com/3611055018.pdfIn PDF document text
    • http://gisoroxirofusup.epizy.com/57424316518.pdfIn PDF document text
    • https://s3.amazonaws.com/jazuravazaguz/vivaldi_winter_sheet_music_cello.pdfIn PDF document text
    • http://karapazixegipi.epizy.com/89198132658.pdfIn PDF document text
    • http://sokipev.epizy.com/tuvuniseje.pdfIn PDF document text
    • https://s3.amazonaws.com/tasufagijaremo/97240841703.pdfIn PDF document text
    • https://s3.amazonaws.com/paxuvagal/access_to_information_and_privacy_act_cic.pdfIn PDF document text
    • http://favuzokusom.rf.gd/13948313651.pdfIn PDF document text
    • http://vodupuginotipir.rf.gd/7579762786.pdfIn PDF document text
    • http://kepojuwewi.rf.gd/nidijalofunalolewegororod.pdfIn PDF document text
    • http://mukilub.epizy.com/23271866051.pdfIn PDF document text
    • http://dukoloxanad.epizy.com/pugod.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_off0000d026.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD026 4888 bytes
SHA-256: d511c34e1266191dfc585c32598cadda81209cf642336197cad9058c26be0068
font_01_sfnt_off0000e0bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0BB 9932 bytes
SHA-256: 11f053aa84ee80a9f10ff8482e74f18372dceecf72e073e730c6ad889b4ec4ee