Malicious PDF — malware analysis report

Static analysis result for SHA-256 03d948424bc05ccd…

MALICIOUS

PDF

69.3 KB Created: 2021-03-11 13:33:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 03abcd677cd455d0023782134d121924 SHA-1: 4967ff14a9c65d9524d87521c70fdd67f846ec61 SHA-256: 03d948424bc05ccd0fd05357be67aaca4248b7d7e47160641232711ab42d2c73
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=general+biology+practice+test+with+answers+pdf PDF link annotation
    • https://cdn.sqhk.co/pemanunid/ieggjGO/kalodaruxa.pdfIn PDF document text
    • https://cdn.sqhk.co/zetanitanedo/f0xFKjb/pujiv.pdfIn PDF document text
    • https://cdn.sqhk.co/purorelaz/ijahhid/visodel.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488556/normal_5fff980e67559.pdfIn PDF document text
    • http://artistichomesolutions.com/john_merriman_a_history_of_modern_europe_volume_1kclk7.pdfIn PDF document text
    • https://cdn.sqhk.co/lexaxemiji/jalkdTy/pagigogedopuwibanutebofu.pdfIn PDF document text
    • http://table-wait.com/canciones_faciles_para_flautahdvw7.pdfIn PDF document text
    • https://cdn.sqhk.co/dufukeraj/ic5LKH4/47656471821.pdfIn PDF document text
    • https://cdn.sqhk.co/jutafegobexe/WBp7chc/zavutufatedizefojaxirela.pdfIn PDF document text
    • https://cdn.sqhk.co/torujazelome/cXw1cV0/fadolavakuguxapelisozi.pdfIn PDF document text
    • https://cdn.sqhk.co/xupodafib/hifhohf/king_road_brewing_mundijong.pdfIn PDF document text
    • http://intekzafast.online/6927423205275ctx.pdfIn PDF document text
    • https://cdn.sqhk.co/regavebike/aGNUhi5/horizon_credit_union_kingsport_tn.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480173/normal_60383daebf9fb.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/6e047ebc-58f2-46a2-88e7-c4bbb8407d38/amazon_kindle_paperwhite_4_update.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e4e8c3e-982c-48a7-8483-7fc1670e582c/gekinomamapunedovaki.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8f9ddf71-e7d3-4c3a-80a6-a1ad21e84f01/202439528.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d2a6eff-478f-4636-8b19-a097b3cd70de/dakesiwiwodixorapotire.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/butterfly_tamil_movie_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/dekajavulemakogevuf.pdfIn PDF document text
    • https://s3.amazonaws.com/ninazarila/avast_offline_windows_7.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_off0000d298.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD298 5780 bytes
SHA-256: 02d04218ef9d827735a31859f6dbbafc0601745e0261634deb2b09d9886f743c
font_01_sfnt_off0000e652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE652 9888 bytes
SHA-256: 6cf894e4757fbeafaddc627abd6967ffe11f7df32ac626f4178b426852c8ddb2

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