Malicious PDF — malware analysis report

Static analysis result for SHA-256 02b770573aabda8e…

MALICIOUS

PDF

71.2 KB Created: 2021-03-11 15:56:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 8f1eea25f55f99e2168ece5dd61bf688 SHA-1: 0c42e1eecf2d31deb43b682ca706a0b90caa0566 SHA-256: 02b770573aabda8ede74f0b982cf6f230c2a2ee762a3bf3e8e0d83e2da589209
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://nipisod.ru/award?keyword=area+and+volume+of+similar+figures+and+solids+pdf PDF link annotation
    • https://cdn.sqhk.co/vusabutam/Nh3jcCc/xamarin_forms_button_border_radius_android.pdfIn PDF document text
    • http://newipufisatag.scienceontheweb.net/kingdom_hearts_1.5_after_agrabah.pdfIn PDF document text
    • http://movawizaxaxato.mywebcommunity.org/83145641244.pdfIn PDF document text
    • http://kigirifaduguv.getenjoyment.net/what_is_the_best_above_ground_swimming_pool_filters.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxonewebuke/FijJjed/cyber_hunter_pc_download_official.pdfIn PDF document text
    • http://salizurewaki.mypressonline.com/norma_asme_y14._5.pdfIn PDF document text
    • https://godikifamubexi.weebly.com/uploads/1/3/4/6/134622632/wotevor.pdfIn PDF document text
    • https://gixinizolovuz.weebly.com/uploads/1/3/5/3/135348456/sixapi_letekanel_vusonux.pdfIn PDF document text
    • https://cdn.sqhk.co/jobezivozuf/ahdYheY/83928579385.pdfIn PDF document text
    • https://xegugunozom.weebly.com/uploads/1/3/1/4/131482992/f00ff9d52e.pdfIn PDF document text
    • http://sevowina.medianewsonline.com/letras_de_canciones_religiosas_hoy_seor_te_damos_gracias.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/rizezobabub/fiwuzixisonotogaluxoluzu.pdfIn PDF document text
    • https://72858ab8-d36f-4bc2-b208-e5ec56e76d01.filesusr.com/ugd/3a4e0e_5fa380ca467e4475a71c8f3ea23be78a.pdf?index=trueIn PDF document text
    • http://desovizipelo.onlinewebshop.net/xajinodo.pdfIn PDF document text
    • https://0df6220b-9630-4647-aab6-0d9db69b9d59.filesusr.com/ugd/8b97dd_38c8e9ca11cd46ca80b0026c430e1782.pdf?index=trueIn PDF document text
    • http://jimarol.myartsonline.com/is_2018_mustang_gt_reliable.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/24498644127.pdfIn PDF document text
    • http://bexukavibume.myartsonline.com/appsc_previous_question_papers.pdfIn PDF document text
    • https://s3.amazonaws.com/zufojadibi/33062474856.pdfIn PDF document text
    • https://s3.amazonaws.com/serogajugomiji/70315850139.pdfIn PDF document text
    • http://sitafefisoju.atwebpages.com/31870148539.pdfIn PDF document text
    • https://ae26bae5-b1f3-4fb2-a0ba-5d2f2d23988c.filesusr.com/ugd/aec2ea_067a4937cc7449328ded6c8d18611449.pdf?index=trueIn 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_off0000da2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA2B 5412 bytes
SHA-256: d73a8b0495b483d75c1bb3aaae12545ef3478749d9e523fc4c5ebdbc81dd929d
font_01_sfnt_off0000ec86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC86 10256 bytes
SHA-256: e37fac86b86920359218bc9918f90fc4f0b26f88f8e79aed4f405c7e06500aa9

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