Malicious PDF — malware analysis report

Static analysis result for SHA-256 093b63ed2f63ba9d…

MALICIOUS

PDF

72.7 KB Created: 2021-03-02 00:36:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: cded910332a58743dbb04d3af23abf79 SHA-1: d583cad107d6be8cb3fa82ddf84f64b62d67d5d0 SHA-256: 093b63ed2f63ba9d1989daca0df5ff85fe735a8b70bce17e3596b8eb563aac0c
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://druttle.ru/wix?keyword=2a+1c+hoisting+license+study+guide PDF link annotation
    • http://top-odejda.com/cordless_phone_silent_mode4hgbv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471253/normal_603cd0587dcc9.pdfIn PDF document text
    • http://hairsprof.ru/libros_de_fisica_general_descargar_gratisdilrh.pdfIn PDF document text
    • https://cdn.sqhk.co/tovisegag/c42kihF/eliteone_800_g2_aio.pdfIn PDF document text
    • https://cdn.sqhk.co/jubawiwa/hcCjdcU/micro_sd_card_reader_for_iphone_xr.pdfIn PDF document text
    • https://cdn.sqhk.co/xotosobupis/difhctd/gif_zum_video_machen.pdfIn PDF document text
    • http://bupro.asia/libro_de_lecturas_primer_grado_1993_para_descargara9wif.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457005/normal_6011ad3e62c0a.pdfIn PDF document text
    • https://cdn.sqhk.co/gafisasiwu/9m5ckEs/22201659265.pdfIn PDF document text
    • http://pay-order.info/pataxejidenubemazewefoyf8oi.pdfIn PDF document text
    • https://cdn.sqhk.co/lokijuzim/gjiwRij/bump_balls_for_sale_near_me.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458428/normal_60269a78500b7.pdfIn PDF document text
    • http://marketitaly.info/mikutaviwanikaayiff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476927/normal_600d4a1093b89.pdfIn PDF document text
    • http://znohist.site/how_do_i_find_the_ip_address_on_my_hp_printer4ttcc.pdfIn PDF document text
    • http://vodekageka.22web.org/kibonupenaxavorome.pdfIn PDF document text
    • http://2022god.com/oster_turbo_convection_oven_recipesn5aer.pdfIn PDF document text
    • http://propovar.ru/guessing_games_questions_and_answers8wysk.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/benubapopikaj/sazagozejibomex.pdfIn PDF document text
    • https://s3.amazonaws.com/muxozuvalubi/77617681314.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/boiler_water_testing.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_off0000dfbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFBC 5296 bytes
SHA-256: e75069f9610f84ea7ae81d1ac8991a8a14d68cfbac9ad8f03770775da0a58f43
font_01_sfnt_off0000f1ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1CA 10440 bytes
SHA-256: 8c9697f758b32973ea35f5d5de22f4bef1ec5c0f6631af05e864565e72d0ee36

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