Malicious PDF — malware analysis report

Static analysis result for SHA-256 c39eee4d32efa792…

MALICIOUS

PDF

67.4 KB Created: 2021-03-08 07:47:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 5ff472546f37fd4194fbbb7030ff234d SHA-1: 5b5a01ff231509c04693edde31fdfc0b1e2f423e SHA-256: c39eee4d32efa7929d2b5677d148d9a95ba5751bc470c66b90e57d4ffa3cfb33
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://gimoguvi.ru/award?keyword=nueva+historia+general+de+m%25C3%25A9xico+pdf+descargar PDF link annotation
    • https://kowezuvive.weebly.com/uploads/1/3/4/6/134603832/fufonutiju-zelaki.pdfIn PDF document text
    • https://cdn.sqhk.co/wepurodapike/KivjhgU/franchise_hockey_manager_6_download_free.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465908/normal_5fffeb7ce43f9.pdfIn PDF document text
    • https://zegosonov.weebly.com/uploads/1/3/4/1/134109065/xuragadasodap.pdfIn PDF document text
    • http://nominasacra.ru/airtel_tv_modded_apk0k5dy.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446494/normal_5fffeb35085ca.pdfIn PDF document text
    • https://sapurokegija.weebly.com/uploads/1/3/4/5/134577933/1213111.pdfIn PDF document text
    • http://naturaleone.space/adjective_adverb_and_noun_clauses_worksheetwto29.pdfIn PDF document text
    • https://nonexivibofopuv.weebly.com/uploads/1/3/4/6/134603010/8313978.pdfIn PDF document text
    • http://xosubowavenu.mypressonline.com/48272009522.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426810/normal_5fc5edc33c498.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486751/normal_5fda3f08c8485.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411480/normal_5fcb785c74d4c.pdfIn PDF document text
    • https://cdn.sqhk.co/sabumijobude/hCaCjiR/44485564842.pdfIn PDF document text
    • https://cdn.sqhk.co/xonudutixova/ijglkFv/police_radio_sound_effects_ringtone.pdfIn PDF document text
    • http://kidufamipowanot.mywebcommunity.org/how_to_enter_bios_setup_in_hp_pavilion_dv6_laptop.pdfIn PDF document text
    • http://ladirojenovezoj.mygamesonline.org/47196999228.pdfIn PDF document text
    • http://zumufufup.sportsontheweb.net/how_much_cost_to_check_dna.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/warapagefasovi/after_effect_bagas31_cs6.pdfIn PDF document text
    • http://bugenerefajujus.atwebpages.com/72041138537.pdfIn PDF document text
    • https://s3.amazonaws.com/kefodek/spatial_reasoning_test_free.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_off0000c579.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC579 5808 bytes
SHA-256: 08b4d1e3da00a4d1202b260aeb75d614f4c58e27a3589755451a8e91cd25702b
font_01_sfnt_off0000d8e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8E2 11220 bytes
SHA-256: 777d4ff04139fb01debcc37f1ab0ae1c1d0a61f387ad5690cc0dd74c729846f8

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