Malicious PDF — malware analysis report

Static analysis result for SHA-256 f384f4715209b077…

MALICIOUS

PDF

69.0 KB Created: 2021-02-25 08:14:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: c792ed3401d4cfcc044c0c743d7a2b1a SHA-1: e406688c0d1ed0526482da4a2ae26f6d51257ca7 SHA-256: f384f4715209b077d39eec09eb5b1f4b14962fba680ff01365c48c02c338cec5
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://bologen.ru/award?keyword=how+to+email+sc+dmv PDF link annotation
    • https://woduluzotuni.weebly.com/uploads/1/3/4/3/134373450/1573084.pdfIn PDF document text
    • http://fordist.ru/bafodusatzyw3.pdfIn PDF document text
    • https://fesunoxatufaf.weebly.com/uploads/1/3/4/5/134519878/mazoso.pdfIn PDF document text
    • https://cdn.sqhk.co/melipetoluf/h6hbmQ6/lawn_mower_blade_hits_deck.pdfIn PDF document text
    • https://cdn.sqhk.co/kubezuvare/ahjchgj/war_of_worlds_2005_imdb.pdfIn PDF document text
    • http://fertpin.online/jio_caller_tune_ringtone_appr0f45.pdfIn PDF document text
    • http://gijipodotetojo.22web.org/adobe_air_3._1_free.pdfIn PDF document text
    • https://nutolaje.weebly.com/uploads/1/3/4/5/134596366/minarudikog-legogefituxidid.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://jutatodimat.epizy.com/xigugivowaxobiferijete.pdfIn PDF document text
    • https://s3.amazonaws.com/dadupawo/30765601106.pdfIn PDF document text
    • http://toxezapa.rf.gd/cfa_level_2_registration_deadline_2021.pdfIn PDF document text
    • http://mibobugaf.rf.gd/google_sign_in_android_example_github.pdfIn PDF document text
    • https://s3.amazonaws.com/bidurudilidujug/2053270086.pdfIn PDF document text
    • http://viropamel.rf.gd/32950371860.pdfIn PDF document text
    • http://gizadopozi.epizy.com/beechcraft_duchess_76_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/farezelof/gazette_of_india_volume_2.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c571.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC571 4784 bytes
SHA-256: 9a208549808c785d723fc6cf0397e532e14412388ac28d543bb4d190ef43580a
font_01_sfnt_off0000d5cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5CC 10296 bytes
SHA-256: de6e667b0763cf2a5de7ebd42ab2d23676d2ddfd4cff8432d6c3da27d9b37774
font_02_sfnt_off0000f921.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF921 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378