Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa680650248398eb…

MALICIOUS

PDF

60.4 KB Created: 2021-02-10 09:29:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 02be00786a9bcb7555996ed54bbda38d SHA-1: bd0d178c81f78a805a01df10d83b5a5f0e6b588c SHA-256: fa680650248398ebd8b6a4939c6e53108be9ee5f44ed41eb5b6ed24e159de026
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/aws?utm_term=definition+cuneiform+social+studies PDF link annotation
    • http://xxlmature.site/maril11sou.pdfIn PDF document text
    • http://erogan-oficial.site/adverbios_en_ingles_ejerciciosuyclx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455642/normal_6012f9a598c0a.pdfIn PDF document text
    • http://fasad-dom.site/defukifufolugu4bpgs.pdfIn PDF document text
    • http://xtina.online/player_mat_terraforming_marsh4f3v.pdfIn PDF document text
    • http://supanigavig.iblogger.org/teri_akhiyon_ka_kajal_song_bhojpuri.pdfIn PDF document text
    • https://cdn.sqhk.co/raxizeki/hfnijic/animal_colouring_sheets_for_toddlers.pdfIn PDF document text
    • http://good-production20.site/hotstar_vip_freepl8t8.pdfIn PDF document text
    • http://lupepujalin.iblogger.org/dubefik.pdfIn PDF document text
    • http://clientbluebadge.com/nice_guidelines_high_blood_pressure_in_pregnancyube18.pdfIn PDF document text
    • https://cdn.sqhk.co/kekotenonaxu/FkhbvzB/42263469.pdfIn PDF document text
    • http://milansit.space/stick_empires_mod_apk_download_freerf40m.pdfIn PDF document text
    • https://cdn.sqhk.co/mifigatira/jhbihPB/duluj.pdfIn PDF document text
    • http://www-sfr-fr-monespace.com/shooting_games_free_for_mobile_android3x85f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bezepegu.epizy.com/allen_solly_semi_formal_shirts.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_off0000b38b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB38B 5168 bytes
SHA-256: b494a24ab578811f4fd7f294cf6d1e57c3b94cf063be0c749521eb21cf358309
font_01_sfnt_off0000c509.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC509 9260 bytes
SHA-256: eee75e544c2606d7bd137ca9923c512acf476b7dadd0ad6836395c50c29e6a8f