Malicious PDF — malware analysis report

Static analysis result for SHA-256 1016431ea8e44a93…

MALICIOUS

PDF

80.4 KB Created: 2021-03-04 03:48:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 0ac8745cc0ef0e76ebec09ae15a796d5 SHA-1: 75b38ece44845e7fbf11ee437ef4df4413fcc89c SHA-256: 1016431ea8e44a93f38bf5a4c1ab569159de904db8ae030d6df49eb6aed99d43
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://fokemale.ru/123?utm_term=los+juegos+del+hambre+2+pelicula+completa+en+espa%25C3%25B1ol+latino PDF link annotation
    • http://leninuludobodu.mygamesonline.org/sat_essay_and_subject_tests_cancelled.pdfIn PDF document text
    • https://zasevolonuto.weebly.com/uploads/1/3/5/3/135335071/965e5a.pdfIn PDF document text
    • http://ccckkkkk.space/beresolevulejilayz036.pdfIn PDF document text
    • http://komaxinatobofe.medianewsonline.com/45774795357.pdfIn PDF document text
    • http://rukozhop-guide.com/hotline_miami_ps4_trophy_guide7hhfx.pdfIn PDF document text
    • http://fukuzowi.sportsontheweb.net/cisco_sg200-50_console_port.pdfIn PDF document text
    • https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/4224709.pdfIn PDF document text
    • http://remont-kvartir-otzyvy.moscow/slice_of_life_anime_on_crunchyroll1chtd.pdfIn PDF document text
    • https://nosuzodudoj.weebly.com/uploads/1/3/4/5/134588086/3119702.pdfIn PDF document text
    • http://baltika-trans.com/dell_mini_operating_system_not_foundbyxr0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sujudokeki.epizy.com/50203715362.pdfIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/open_water_full_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/1984_doublespeak_worksheet_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/mubemutolewe/pomuduregedajatenuxi.pdfIn PDF document text
    • http://didaduxazej.epizy.com/manual_auger_style_post_hole_digger.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_off0000f7ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7AD 5988 bytes
SHA-256: 5e3cce73d2f208a3e6eea8b0c495a72e2106de266e4db1ba12ff2434d8998240
font_01_sfnt_off00010ba2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BA2 11644 bytes
SHA-256: 3cb511c47670a8b19b649401914e3c3116eb6249b34f4e8aece3c6822281fcd0