Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b5f3ae30416ca58…

MALICIOUS

PDF

72.2 KB Created: 2021-02-26 09:49:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: e04a88bbae78f2bf2775a10a58044d5d SHA-1: b4358b08cdce92d8f1798afbdcb45a9df8a70a4c SHA-256: 1b5f3ae30416ca58bdf9ada9c4e50579284aeb3f0fb907716f8b48143c1c7112
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://leonvi.ru/award?keyword=logitech+z+5500+price+in+pakistan PDF link annotation
    • http://goodsun.space/carmageddon_3d_apkvdk1y.pdfIn PDF document text
    • https://lojijuzirikoza.weebly.com/uploads/1/3/4/5/134593465/fulekuzeza-bezowinonipe-faroxugemas.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366316/normal_5ff97d8f7a3de.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384142/normal_5fec632c38d28.pdfIn PDF document text
    • http://shortsomfj.space/how_do_i_unlock_my_sentry_safer6m6c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410443/normal_5ff708eac5f74.pdfIn PDF document text
    • http://job-finder.space/different_shades_of_period_bloodfzcvj.pdfIn PDF document text
    • https://wekosidofanepa.weebly.com/uploads/1/3/2/6/132696212/1167317.pdfIn PDF document text
    • https://wonikisemuk.weebly.com/uploads/1/3/4/9/134902350/sebudoboropo.pdfIn PDF document text
    • http://qrastenmap.online/gb_whatsapp_transparent_latest_version_apkvzn4q.pdfIn PDF document text
    • http://mifvideo.space/51612466945260sj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375356/normal_5fd393ff48ebe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467030/normal_60387be578e39.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374843/normal_60066ac4c5c0b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421339/normal_600de2f8010d0.pdfIn PDF document text
    • http://masito.space/81871835947z2zor.pdfIn PDF document text
    • http://vanlit.ru/how_to_configure_linksys_router_wrt54g2_as_access_point63w55.pdfIn PDF document text
    • https://cdn.sqhk.co/sulugedako/ajPXNji/super_duper_slow_motion_lightning.pdfIn PDF document text
    • http://avtoshkola-region26.ru/38628678605l462x.pdfIn PDF document text
    • https://cdn.sqhk.co/gidetixi/Vjf2Wge/tebaxojigelebewub.pdfIn PDF document text
    • http://idealica-official-it.website/kuzenugiruluvedomiw49nzq.pdfIn PDF document text
    • https://cdn.sqhk.co/vumuwuxa/ihigybN/pixusewufajo.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_off0000dd27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD27 5484 bytes
SHA-256: 1fef23131d675eb00dbd6798f04fa30f38168bce79d4999799e7df9248438c98
font_01_sfnt_off0000efe0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFE0 10424 bytes
SHA-256: 3f9b05db6a717e5d700c35ff11cf945e6067db1bf8a9d87737f6dacb5b62d15b

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