Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2e3df2dafed589d…

MALICIOUS

PDF

81.8 KB Created: 2021-03-13 12:43:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: cc98b6da1e8323a838c9f6801e4abe57 SHA-1: fd4f05c8c3a84fd4af3cba96fe2047a4e72ce204 SHA-256: a2e3df2dafed589d0ebd42f8296106c9d3c3685fc8843bc142039585ab2c9d62
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/award?keyword=baby+boy+names+starting+with+r+in+tamil+pdf PDF link annotation
    • http://moitender.org/janasheen_mp3_songs_downloadcpfmy.pdfIn PDF document text
    • http://xijivedijimidip.mygamesonline.org/back_titration_questions.pdfIn PDF document text
    • http://mon-cmso.best/wexumalunisutbj57.pdfIn PDF document text
    • http://kedugobepuged.mywebcommunity.org/37132277047.pdfIn PDF document text
    • http://vugekowuzujed.scienceontheweb.net/how_often_to_change_oil_in_honda_civic_2019.pdfIn PDF document text
    • http://astropsychology.site/palmistry_book_free_downloadeh3wr.pdfIn PDF document text
    • http://pifowovumuwe.medianewsonline.com/91525540359.pdfIn PDF document text
    • http://vatidenow.medianewsonline.com/cuanto_tiempo_puedo_tener_el_carnet_de_conducir_caducado.pdfIn PDF document text
    • http://tufodudem.mypressonline.com/xukevexosuninoledof.pdfIn PDF document text
    • http://casbah2point0.com/938139612429foo6.pdfIn PDF document text
    • http://jojidasusesot.sportsontheweb.net/how_to_drain_swamp_cooler_for_winter.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/329db3da-f01c-4353-9457-195ca8a42b41/besubi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c6ba6e19-682f-467f-8f2f-30267e6468cd/character_analysis_of_sanger_rainsford.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2967ed13-7e7c-4747-89ef-87ab066f9ae9/what_are_personal_leadership_goals.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0c19f06e-f3a2-4521-8c13-f7075d933d06/pasijufunakevegoje.pdfIn PDF document text
    • http://vujapoguxesak.myartsonline.com/was_the_3rd_estate_started_french_revolution_and_wrote_1st_constitution.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95a14bed-96b7-4d45-a96d-8ce2530fe1ee/fiwigenuzugedodapixigalu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3bde2db0-2a51-4fc9-9719-3f044039a53c/50297016809.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_off0000ff84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF84 5836 bytes
SHA-256: b0b3f43012072645bc3d011f23ec590bf9c50adf934e26aaddc40cd616236f2e
font_01_sfnt_off0001134b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1134B 10840 bytes
SHA-256: e5603d463f0e61c7286ea1f13e7f23db2c1c503dd94e8a5c1cbe16b53df380a7

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