Malicious PDF — malware analysis report

Static analysis result for SHA-256 3cbe0807cdb20120…

MALICIOUS

PDF

72.5 KB Created: 2021-02-27 15:04:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 08c2fa2e7c1e4cae0966c7c0726f8ab9 SHA-1: 7d41e6e33ffa05229331f8ae9d8bf3399c9c69ad SHA-256: 3cbe0807cdb20120c8d1397ac5645de81c46578758bc4df8dbda715b90b0dac2
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://lozipotod.ru/award?keyword=cajas+de+carton+summary+chapter+5 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369633/normal_60358a39bc136.pdfIn PDF document text
    • http://linavaluviriv.getenjoyment.net/reality_transurfing_by_vadim_zeland_-_steps_i-v.pdfIn PDF document text
    • https://dovomarolod.weebly.com/uploads/1/3/0/9/130969455/8299b84.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475208/normal_5feed93c25ce5.pdfIn PDF document text
    • https://zowarokatovo.weebly.com/uploads/1/3/4/4/134491000/pabovezodubi-nemijutuzu-pidiwakex.pdfIn PDF document text
    • http://raxejudesezix.scienceontheweb.net/22732565574.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409799/normal_603422a4223e2.pdfIn PDF document text
    • http://fitness1.space/pufufezaluvanunoluzov7iqjd.pdfIn PDF document text
    • http://sarhello.online/gas_prices_in_california_2015oeeva.pdfIn PDF document text
    • https://zusifupovososix.weebly.com/uploads/1/3/2/6/132680896/9760274.pdfIn PDF document text
    • https://zififawatef.weebly.com/uploads/1/3/4/3/134384507/237979.pdfIn PDF document text
    • https://guzaxogovi.weebly.com/uploads/1/3/4/6/134651677/88c7fe671.pdfIn PDF document text
    • http://particuliers-societegenerale.xyz/slot_machine_repairman_near_melsard.pdfIn PDF document text
    • http://topmassage.net/affordable_housing_scheme6rjnu.pdfIn PDF document text
    • http://jarewitof.mypressonline.com/ham_egg_and_cheese_sandwich_dunkin_donuts_calories.pdfIn PDF document text
    • https://tujurexi.weebly.com/uploads/1/3/4/7/134743655/2420fae.pdfIn PDF document text
    • https://pesulomerusetus.weebly.com/uploads/1/3/4/1/134109359/limapimo_fufate.pdfIn PDF document text
    • http://vipimuxatomefi.medianewsonline.com/weed_eater_featherlite_xt200_spark_plug.pdfIn PDF document text
    • https://weraxugunelega.weebly.com/uploads/1/3/4/7/134719696/8395375.pdfIn PDF document text
    • https://vagerama.weebly.com/uploads/1/3/4/7/134767853/vakisa_gitixugasovuzuj_zizadutebot.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://petojijoxura.onlinewebshop.net/how_do_i_set_the_clock_on_my_sony_icf_c218.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_off0000e01b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE01B 5488 bytes
SHA-256: c2dd269d14285678c9f12fa28f2203d14c048d0305e1f6fcd4200e2fbed1ef7b
font_01_sfnt_off0000f2a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A5 10000 bytes
SHA-256: 3028caeae91fb0a1e84c7bff40131b8c6996a79793f420e805fd06b4214d7ee5

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