Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1946e9e1f5f016c…

MALICIOUS

PDF

70.7 KB Created: 2021-02-26 15:02:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: d2db90073f32c4d356130b54bfdbf0fa SHA-1: 4b71ae87b03e89b6516d1972f3bdb8c1fcac37a0 SHA-256: f1946e9e1f5f016c8816859459a8e8410554f29efbc0a1b99d88418c3c327162
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://pelibifir.ru/award?keyword=snow+white+witch+costume+party+city PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4462075/normal_5fe8170e11f8a.pdfIn PDF document text
    • http://help-copyrightviolationhelpcenter.com/sigowarowe7n3pv.pdfIn PDF document text
    • http://cherrypimp.online/vodewepusotopibuxadujaleg3att9.pdfIn PDF document text
    • http://habercigo.com/pabimogeluxesufonaodulh.pdfIn PDF document text
    • https://ronumotesagazuw.weebly.com/uploads/1/3/4/3/134373959/pelazemajixog.pdfIn PDF document text
    • http://lozejebivo.scienceontheweb.net/witaw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477886/normal_6003b2220fb59.pdfIn PDF document text
    • http://raicen.com/pawepomizamapmiws2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484156/normal_602c239353427.pdfIn PDF document text
    • http://meetsoda.club/oracle_12c_end_of_lifek6gz1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384150/normal_5feee000680ee.pdfIn PDF document text
    • https://cdn.sqhk.co/fularulojoze/0gdbihe/71543029489.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367279/normal_6017c0e5ded24.pdfIn PDF document text
    • http://vijexibat.mywebcommunity.org/how_long_to_see_results_from_5_2_diet.pdfIn PDF document text
    • http://rigoditibalun.mywebcommunity.org/what_is_honesty_definition.pdfIn PDF document text
    • https://repawuwo.weebly.com/uploads/1/3/5/3/135313919/mewirukirirawe_zivezajitulo_pumonovaz_dogunavi.pdfIn PDF document text
    • https://cdn.sqhk.co/sevigexew/ticigdR/offline_video_compressor_apk.pdfIn PDF document text
    • http://detonicinitalia.website/are_volcanoes_good_or_bad_for_the_environment3f1mn.pdfIn PDF document text
    • http://gadetebes.sportsontheweb.net/ge_healthcare_service_number.pdfIn PDF document text
    • https://cdn.sqhk.co/juvekuvop/XJ9Ovgi/lbs_to_kg_conversion_formula.pdfIn PDF document text
    • https://janepaxe.weebly.com/uploads/1/3/4/0/134097288/f9066517.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d891.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD891 5436 bytes
SHA-256: b1c7789dd70155eb9625ddae053246728fd9763071fc9c21e5bb9087193faea3
font_01_sfnt_off0000eafa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEAFA 9912 bytes
SHA-256: 4c35e044ff549bb40b423b8dae5672fb5682bdfe763aac6db2cd56e070e15356

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