Malicious PDF — malware analysis report

Static analysis result for SHA-256 14ab06306c11af71…

MALICIOUS

PDF

72.1 KB Created: 2021-03-05 09:07:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: db1b79d8b45b6238a7cea1583413bf46 SHA-1: 4d828b6b8d1a559e3345dd52d5948c734a49068e SHA-256: 14ab06306c11af715aadc25955cff57f98cb9965761fdb655dd326d3f3ddc3df
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=the+presence+process+book+pdf PDF link annotation
    • https://joletumutete.weebly.com/uploads/1/3/4/8/134871701/3d3441.pdfIn PDF document text
    • https://sunatoruxule.weebly.com/uploads/1/3/4/4/134476105/nedoxe-nifokitubiwep-fuwusape-rudaxi.pdfIn PDF document text
    • http://optarfes.com/lego_movie_videogame_red_bricks86u81.pdfIn PDF document text
    • https://cdn.sqhk.co/nikajovefer/Q9cAjaU/dunkin_donuts_drift_caramel_swirl.pdfIn PDF document text
    • https://cdn.sqhk.co/goduwonon/gcicghR/xofedijowevemexira.pdfIn PDF document text
    • https://cdn.sqhk.co/zubavagi/l3hhhfS/92381296311.pdfIn PDF document text
    • http://mandarins.space/musonepidavapifoxdkam.pdfIn PDF document text
    • https://cdn.sqhk.co/sagitusat/hijhgiI/aldi_keto_shopping_list_printable.pdfIn PDF document text
    • https://totorososine.weebly.com/uploads/1/3/4/8/134892144/vedaromimigakomaza.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/2be9032a-a8b0-4069-b94c-22e952da6737/mozadadiwigerefeb.pdfIn PDF document text
    • http://zizenatoxu.myartsonline.com/58941283231.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b77f9426-879e-4940-b77a-011aeeda0b08/24599355476.pdfIn PDF document text
    • http://dowuvoduwitovos.atwebpages.com/vomokomovesakasogojetof.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86ac256f-e2fa-432f-919e-8d5a1a63947b/wizunozafepejam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/daada703-2495-450d-b6f9-07dc481f1e07/how_to_sell_old_wii_games.pdfIn PDF document text
    • http://diwavubodinaroj.myartsonline.com/gardners_art_through_the_ages_15th_edition_volume_2_free.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_off0000df39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF39 5152 bytes
SHA-256: 3ed8c1e100fe0fd02d49e5207b90d8dd8ab6327f8dbcced762515c2f41d69370
font_01_sfnt_off0000f0b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0B5 10092 bytes
SHA-256: f9db1adb91e9455d0f1ffced30eb05305b836ae6cb2426c73e88246b6e44811f

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