Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c189939eab7061b…

MALICIOUS

PDF

67.8 KB Created: 2021-02-27 11:16:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 73f248d5708224163ea2a64677f70f67 SHA-1: b5824a0cf24747fa3b837e22a28e3ba2f8a79d30 SHA-256: 1c189939eab7061bf523dd47e3c97922b480a7932ecfeb47c1a7764e75a3fdf3
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://nipisod.ru/wix?keyword=medical+department+scpf PDF link annotation
    • https://getaforufuzok.weebly.com/uploads/1/3/4/7/134733873/wolebubi.pdfIn PDF document text
    • https://cdn.sqhk.co/nasubivapu/h1geYib/extreme_car_driving_simulator_city.pdfIn PDF document text
    • http://harmony-market.ru/diy_mask_template_sew3t2bc.pdfIn PDF document text
    • https://sosakenokez.weebly.com/uploads/1/3/4/4/134445245/xuxerewex_kerunutugabivag.pdfIn PDF document text
    • https://boxoxezerutevok.weebly.com/uploads/1/3/4/3/134317212/nozozuniwo.pdfIn PDF document text
    • https://cdn.sqhk.co/xexisini/hdhduNX/piano_tiles_2_despacito_apk.pdfIn PDF document text
    • http://skameyki.club/cinema_paradiso_sheet_music_guitarnxs0l.pdfIn PDF document text
    • https://cdn.sqhk.co/mivijigonof/gcEBjcg/gajibisunuxazitakorakuni.pdfIn PDF document text
    • http://xawamiwupajev.mygamesonline.org/how_to_draw_a_equilateral_triangle_using_a_compass.pdfIn PDF document text
    • http://opt15.ru/troy_bilt_horse_tiller_belt_adjustmenturrca.pdfIn PDF document text
    • http://borejukeluteva.mygamesonline.org/outlander_series_book_6_synopsis.pdfIn PDF document text
    • https://juxufosuzuvol.weebly.com/uploads/1/3/1/4/131437906/2001328.pdfIn PDF document text
    • http://bilkaita.space/genutqxhdk.pdfIn PDF document text
    • https://cdn.sqhk.co/xuvisisitinu/jfv4jgh/54375186382.pdfIn PDF document text
    • http://vkysnaya-eda.site/bromhidrosis_en_niosnq0al.pdfIn PDF document text
    • http://subfamjtii.site/pitotaxijekuditazinilexiwf5kr.pdfIn PDF document text
    • https://larulesa.weebly.com/uploads/1/3/4/7/134717423/21e93eb05b20e.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/pafiganovavi/arithmetic_progression_class_10_ssc.pdfIn PDF document text
    • http://gafodix.myartsonline.com/74291885335.pdfIn PDF document text
    • https://s3.amazonaws.com/gizonukorad/dakezemozuripajarakos.pdfIn PDF document text
    • http://vunonam.atwebpages.com/2005_chevy_malibu_starter.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/powerpoint_workgroup_templates_location.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_off0000cc68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC68 5304 bytes
SHA-256: 3559fef09932a0a753dba43cadead1730d3dc8b6974fcc4fb72535b7bf8d0090
font_01_sfnt_off0000de67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE67 10068 bytes
SHA-256: a1b88ec4fe06473f55e0312b1a7072e5adf1fdc01ef44f3ef1d5dffa452bae55

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