Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ab563841a061e15…

MALICIOUS

PDF

72.6 KB Created: 2021-03-12 21:43:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: be4d93db80f5a94c318ba71044f10d49 SHA-1: 9513081536d58e88c5db6f473f99ca2bd9af3e8f SHA-256: 6ab563841a061e153cd2f05a80ba5ec57c66751969ff7523a4b2dc3e1eb8c83d
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://vilenefex.ru/award?keyword=lspdfr+callouts+swat PDF link annotation
    • https://mojoranazo.weebly.com/uploads/1/3/4/4/134403481/5a11072.pdfIn PDF document text
    • http://wumomotetidofe.getenjoyment.net/67429913645.pdfIn PDF document text
    • http://instacopyrighthelpteam.com/dyson_big_ball_animal_2_-_vacuum_cleaner_-_canisteruw2xg.pdfIn PDF document text
    • https://cdn.sqhk.co/bolukawet/QtgcNia/the_walking_dead_season_2_game_soundtrack_list.pdfIn PDF document text
    • https://pugotaba.weebly.com/uploads/1/3/5/3/135302821/xopiwajik.pdfIn PDF document text
    • https://cdn.sqhk.co/tononapiwaso/0Ojjxjd/dogarozunenewif.pdfIn PDF document text
    • http://apsmall.space/tiger_2020_predictionskwitp.pdfIn PDF document text
    • https://zoxanomo.weebly.com/uploads/1/3/1/1/131163640/6778998.pdfIn PDF document text
    • https://cdn.sqhk.co/kagelemovo/wDzgdgi/mi_musica_de_apple_music_desaparece.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/SQjcYia/download_limbo_demo_mod.pdfIn PDF document text
    • http://tonevagewalilu.medianewsonline.com/when_does_the_dork_diaries_movie_come_out.pdfIn PDF document text
    • http://inertbhjbj.ru/que_es_la_planeacion_financiera5lmlc.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/fedure/rental_lease_agreement_termination.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/558ad69b-6963-417d-8247-61f396002639/tamiwajemejilike.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cee23422-dc8e-4c84-b846-d5873c509713/excel_vba_set_range_variable_cells.pdfIn PDF document text
    • https://s3.amazonaws.com/pibabopuduj/hotstar_apk_latest_version_for_laptop.pdfIn PDF document text
    • https://s3.amazonaws.com/jiwotarotavuz/wbsedcl_bill_payment_received.pdfIn PDF document text
    • http://pexirud.onlinewebshop.net/spalding_50_inch_polycarbonate_portable_basketball_hoop_system_assembly_instructions.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/wafumifite.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/726119e2-e948-41a6-bfda-a566fe0f14dc/data_science_internship_paid.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_off0000dfc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFC0 5180 bytes
SHA-256: 0fe851d8aedafda05c598d27cce7022e16ecf92d4a34887d52f57f6d409988f4
font_01_sfnt_off0000f187.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF187 10472 bytes
SHA-256: 3d4bcdd12cbf7a47baba99356e5d9f7682b64f82a88c49268a7e6a74472959b8

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