Malicious PDF — malware analysis report

Static analysis result for SHA-256 4029b0884dd4dcb8…

MALICIOUS

PDF

68.9 KB Created: 2021-03-12 16:45:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 8112497948f4266fd3f16c5f145d98ee SHA-1: 98c6a589de8a9c57d0910c084c1bb268c4b1b908 SHA-256: 4029b0884dd4dcb82e80c0aad275add9bfe2500d4c0ce00f5156194539cb5a7d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://ponafet.ru/award?keyword=phonics+world+3+pdf PDF link annotation
    • https://cdn.sqhk.co/lupobikud/Fcjb8gh/lifekilujafuwago.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413465/normal_5fc846c13a032.pdfIn PDF document text
    • http://zogiwoputa.iblogger.org/beats_studio_headphones_black_friday.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383915/normal_5fedbd049fa92.pdfIn PDF document text
    • http://rivokalodusi.sportsontheweb.net/angai_geete_marathi.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/hagcvhc/nofuxujedenuj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413016/normal_600b4b234a153.pdfIn PDF document text
    • http://jomotew.iblogger.org/cracked_netflix_for_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459060/normal_601554bc8b002.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446283/normal_601f3e6dd5d8a.pdfIn PDF document text
    • http://najapizarut.22web.org/adobe_premiere_6._5_tutorial.pdfIn PDF document text
    • http://mevukavotidu.getenjoyment.net/que_es_una_propuesta_de_proyecto_de_investigacion.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xenezipulugiji.atwebpages.com/zidajaxazenusarelikokamed.pdfIn PDF document text
    • http://walerofudovewir.rf.gd/65279061496.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3f6b2a61-c361-40e1-8bba-e26130d7ec30/how_to_register_divx_on_lg_tv.pdfIn PDF document text
    • http://dafawesag.epizy.com/bendable_concrete_seminar_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/66d54695-c58c-4e92-b40d-fb05afc4479f/rawumujevipufigesu.pdfIn PDF document text
    • http://vipagepegavazus.epizy.com/burizojibux.pdfIn PDF document text
    • http://konevimojo.epizy.com/1706872454.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3469f582-6f8f-41a6-a119-c8e0e3eac512/lalete.pdfIn PDF document text
    • http://xukosebufeli.rf.gd/automotive_repair_invoice_template_for_quickbooks.pdfIn PDF document text
    • http://savikolapuxol.rf.gd/alu_arithmetic_logic_unit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d637897-cb05-40d8-ab66-42e6682b8a01/software_coding_jobs_near_me.pdfIn PDF document text
    • http://resuzebapaluga.rf.gd/best_day_of_my_life_karaoke.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_off0000d295.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD295 5292 bytes
SHA-256: c5441f530bf6f00a2d04276ea3a9d2f79beac9ff05a4e5ae080809020baf82c9
font_01_sfnt_off0000e4a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE4A1 9908 bytes
SHA-256: aee25b16f92e85574ed1e1ab1106e43dbc1fb25c900e11b7d58f548bc4089a31

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