Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f3e8b606177e696…

MALICIOUS

PDF

73.4 KB Created: 2021-03-04 09:44:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: dba935cfc86f3b2a15b49e3048883d50 SHA-1: 8b4a5ceeca62f8bcf9243f2b89d90003dcd42105 SHA-256: 5f3e8b606177e6962dada86ce624e1da7327a0e5c92b9250ba57d1919244d3d0
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://vilenefex.ru/award?keyword=petsafe+wireless+collar+repair PDF link annotation
    • https://xowuxuwakewobi.weebly.com/uploads/1/3/4/8/134853014/664a1f14386f.pdfIn PDF document text
    • http://scm03.ru/guided_imagery_for_stress_script2ebrj.pdfIn PDF document text
    • http://silkhfig.bid/can_i_watch_inferno_on_netflixwm53f.pdfIn PDF document text
    • https://xizuxikeg.weebly.com/uploads/1/3/0/7/130740292/3638209.pdfIn PDF document text
    • https://cdn.sqhk.co/faroziwe/h34O6K8/blooms_taxonomy_verbs_list.pdfIn PDF document text
    • https://cdn.sqhk.co/gojaxaxiwa/jfThgjc/pisokumupu.pdfIn PDF document text
    • http://fotogodopuxet.iblogger.org/76239602844.pdfIn PDF document text
    • http://legendbilisim.com/bass_guitar_chords_free0y3d0.pdfIn PDF document text
    • https://kunaxujo.weebly.com/uploads/1/3/1/4/131406864/zazubowun_wasaze.pdfIn PDF document text
    • https://cdn.sqhk.co/nidaruzada/ijjhj3o/16945715707.pdfIn PDF document text
    • http://sexedate69.site/best_sap_mm_training_in_hyderabadp7p5q.pdfIn PDF document text
    • https://jawifeguviweti.weebly.com/uploads/1/3/2/3/132302916/tulel.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jenofabejuvokag.epizy.com/amita_ka_sita_song_dj.pdfIn PDF document text
    • http://fufabufitilaf.epizy.com/kai_access_apk_for_pc.pdfIn PDF document text
    • http://kofujuluzode.epizy.com/impersonal_se_worksheet.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_off0000d622.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD622 5104 bytes
SHA-256: 7d52cdb17974598543ab2ab2c5110d4b3380389f783c9f04b3d5726af164483a
font_01_sfnt_off0000e7a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7A3 15452 bytes
SHA-256: 3b3618fedc9de41d5a5730bc93160f1dc1815502d011d94c38aa62f87fb05698