Malicious PDF — malware analysis report

Static analysis result for SHA-256 5677fdcb0a5640d2…

MALICIOUS

PDF

37.5 KB Created: 2020-11-06 23:36:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-02-23
MD5: 29075c32a687364de39fcdcf73e70c15 SHA-1: cc2d7a5095fb7cecc872b1d1686a2cadea1bfffb SHA-256: 5677fdcb0a5640d2e230270f04306f44b0d63c216035c73079a1d3dbf956387b
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://trafffi.ru/aws?keyword=passtime+gps+wiring+diagram PDF link annotation
    • https://leziwave.weebly.com/uploads/1/3/4/4/134446015/wutifexunikovopuge.pdfIn PDF document text
    • https://riragojefo.weebly.com/uploads/1/3/1/8/131857115/3406eb71d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416934/normal_5fa3037973e48.pdfIn PDF document text
    • https://fetofopup.weebly.com/uploads/1/3/4/5/134507679/419580.pdfIn PDF document text
    • https://tenikekiso.weebly.com/uploads/1/3/0/7/130775729/8512971.pdfIn PDF document text
    • https://takaranedo.weebly.com/uploads/1/3/4/0/134017801/gukatunalexosi.pdfIn PDF document text
    • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/lexajuxuwedupu_gefajinuvuf_nofuwekinafe_pimedi.pdfIn PDF document text
    • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/filubelede-wapefoliremided-tomona-remexilobawot.pdfIn PDF document text
    • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/xokobew_mavefubowubijus_rebuniwumawanom_vufisojufekaj.pdfIn PDF document text
    • https://nosuxiseliv.weebly.com/uploads/1/3/4/5/134578333/5fe54bef.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/flightradar24_pro_app_android.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/sophisticated_investor_certificate.pdfIn PDF document text
    • https://s3.amazonaws.com/dejolavubukugeb/26008248198.pdfIn PDF document text
    • https://s3.amazonaws.com/fogibi/tefotiwul.pdfIn PDF document text
    • https://s3.amazonaws.com/sazariwapa/xomawomeba.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004827.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4827 5016 bytes
SHA-256: 1e8970f7d71933f7da6d55ea963779abca7102fed209446faba1cd687889f055
font_01_sfnt_off0000591e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x591E 9984 bytes
SHA-256: e1fa0118c1db3eb8c2857c362769c594ed78dbbdebc5ac0ac6ded428dd5084d3
font_02_sfnt_off00007b4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4C 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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