Malicious PDF — malware analysis report

Static analysis result for SHA-256 f08fdccb30f77285…

MALICIOUS

PDF

66.7 KB Created: 2021-03-06 03:18:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: bda47b079b3aefb024a7706cbf2fa878 SHA-1: 46322f2540f134afb3f4171514460a0c2f16db91 SHA-256: f08fdccb30f772854303559572e2b83caea33427fa68d9220551a3fe8f18ca35
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://botokaw.ru/wix?keyword=youth+size+chart+shirts PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4464083/normal_5fe41947a3cbf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448121/normal_5fe0a6c595e9c.pdfIn PDF document text
    • http://yandex-dostav.ru/tixonao11gv.pdfIn PDF document text
    • http://xekaleduwam.iblogger.org/corrupt_file_sample.pdfIn PDF document text
    • http://znasila.ru/tesiladoborasixegokupawzc5yg.pdfIn PDF document text
    • https://laziboxejebemu.weebly.com/uploads/1/3/0/7/130740401/0c76ebeaf20.pdfIn PDF document text
    • https://cdn.sqhk.co/noneniwetav/iyHgdjc/knight_of_wands_and_lovers_reversed.pdfIn PDF document text
    • https://wudonazig.weebly.com/uploads/1/3/4/6/134675044/podamorutux.pdfIn PDF document text
    • http://idealslimitalia-ufficiale.site/2007_chevy_cobalt_service_airbag_light_recall26he4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371788/normal_603179dbedead.pdfIn PDF document text
    • http://whitecheat.xyz/will_world_war_z_get_a_sequel1rscu.pdfIn PDF document text
    • https://goxatuzibifonev.weebly.com/uploads/1/3/0/7/130739188/nabip_dategafe.pdfIn PDF document text
    • https://cdn.sqhk.co/kagelemovo/SijKAha/push_and_pop_fidget_toy.pdfIn PDF document text
    • http://sbrf.link/kagan_cooperative_learning_strategies_researchkoil9.pdfIn PDF document text
    • https://lepamume.weebly.com/uploads/1/3/4/8/134882258/a8eb75.pdfIn PDF document text
    • https://futikuvevu.weebly.com/uploads/1/3/5/3/135349420/96f6b830a6145a9.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vupafigimewex.rf.gd/hockey_canada_medical_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/gazitif/salijijomususenokeg.pdfIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/bergentrckung_violin_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/chrome_for_apple_macbook.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_off0000cb90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB90 4868 bytes
SHA-256: 71e76febf9b714fd60f963bf289062ba1a39306104746411cf7940e995e20759
font_01_sfnt_off0000dc1b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC1B 9808 bytes
SHA-256: 93cd004b57374790773cec1d020bb1b412ead3ddc69873ebcb345757b327069a

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