Malicious PDF — malware analysis report

Static analysis result for SHA-256 063f1fd82aa416dc…

MALICIOUS

PDF

69.7 KB Created: 2021-03-03 00:08:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 60bc514b4a9942b687c076bf8fc7f54a SHA-1: 0e3c904c05a5163b7875aeaef4942794f80652bd SHA-256: 063f1fd82aa416dc1aee18497a1bcc1430d7f0f8bd70dd70396b1bf78679edea
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/award?keyword=divina+comedia+humana+cifra PDF link annotation
    • https://pumazamobu.weebly.com/uploads/1/3/0/8/130874095/1198067.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388046/normal_6028a04d223ff.pdfIn PDF document text
    • https://cdn.sqhk.co/jitegoji/jdXLhcd/baldi_ice_scream_neighborhood_granny_horror_game_online.pdfIn PDF document text
    • https://soletobapikod.weebly.com/uploads/1/3/4/5/134582957/riweriwuzofod.pdfIn PDF document text
    • http://nogurufegu.mygamesonline.org/wukulufi.pdfIn PDF document text
    • https://kadeniki.weebly.com/uploads/1/3/4/0/134097858/3192154.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427809/normal_602ade8c3ec28.pdfIn PDF document text
    • https://cdn.sqhk.co/nisugewameru/iFA9GIG/ring_a_bell_idiomatic_expression_meaning.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385436/normal_5fde2d4ba288e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446263/normal_5fdad52eef1a5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nibopinalilabaj.onlinewebshop.net/59408515256.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_off0000d2e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2E0 5112 bytes
SHA-256: 788ef0db2cfdd556923f0bc95beb010b14e9015060ca524006b73fcaf9949ff0
font_01_sfnt_off0000e429.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE429 11040 bytes
SHA-256: c124ed9956e915d4f1916d396b66dd4cee7eef5a43c6ed186168d377765822e7