Malicious PDF — malware analysis report

Static analysis result for SHA-256 4889e46538b27da1…

MALICIOUS

PDF

72.6 KB Created: 2021-02-14 10:45:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6ff2d3ecae4f3d700016595028c648b9 SHA-1: bdb66b387de73ef09bf43bb19abe57bfa9923532 SHA-256: 4889e46538b27da12cd2073fe47f2b8faa894e6c1dfbe7640cb74c18442f3765
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://bologen.ru/123?utm_term=midea+split+air+conditioner+service+manual PDF link annotation
    • http://instapriz24.online/why_cant_safari_download_the_file_for_my_apple_wallet2crtg.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472763/normal_5fd7beb62d821.pdfIn PDF document text
    • http://markettop.pro/instagram_image_full_sizewwm12.pdfIn PDF document text
    • https://fakazurirogedim.weebly.com/uploads/1/3/4/7/134743668/womunuzakumata.pdfIn PDF document text
    • https://jifalutisapore.weebly.com/uploads/1/3/4/7/134772579/baxine-lovofukesefesa.pdfIn PDF document text
    • http://shop-you.xyz/today_weather_report_live_locationxuhqm.pdfIn PDF document text
    • https://minadefimufev.weebly.com/uploads/1/3/4/6/134635785/fugoxedejato.pdfIn PDF document text
    • https://janososa.weebly.com/uploads/1/3/5/3/135326085/xetanapizikuz.pdfIn PDF document text
    • http://itsnat.space/9453668741o0w6e.pdfIn PDF document text
    • http://hamlikjorettoop.ru/vekakatuzofomojaoq49o.pdfIn PDF document text
    • http://natikolom.site/pugadexe8ll9l.pdfIn PDF document text
    • http://xrootunited.com/have_got_exercises_5_primariasvgdq.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/risisipajole/chuunibyou_movie_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/nelizenejakarug/aptitude_questions_and_answers_in_tcs.pdfIn PDF document text
    • https://s3.amazonaws.com/fadedosi/53159146935.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_off0000dede.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEDE 5284 bytes
SHA-256: 8854d4c699ac153a50c0d28bd7f62ef6320df493e96c85211c7262b001e46e22
font_01_sfnt_off0000f0d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0D2 10664 bytes
SHA-256: 7380f527b54f5d4dd9e6e05836d17f28544755bd527e1328deac4ce202c73540