Malicious PDF — malware analysis report

Static analysis result for SHA-256 89ce67c71654e935…

MALICIOUS

PDF

75.2 KB Created: 2021-03-05 04:09:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: e1167dd8c515d03719dca5e2f4c6786e SHA-1: 5df89ac1a001df4d464af580a7c953ab8fe4a520 SHA-256: 89ce67c71654e935f1c7b221d728fda1d2cb0183687d3c68e7124415d59f0ee8
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://lozipotod.ru/award?keyword=syma+x11+quadcopter PDF link annotation
    • https://cdn.sqhk.co/suxujaba/jjm7k2v/recargado_en_ingles_traduccion.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484115/normal_6028125f660e5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426085/normal_5fdbf7b0b9e77.pdfIn PDF document text
    • http://puvinizozibejir.mygamesonline.org/kangertech_evod_variable_voltage_1600mah_manual_battery.pdfIn PDF document text
    • http://sujabupinoda.scienceontheweb.net/fisher_price_roaring_jumperoo_instructions.pdfIn PDF document text
    • https://cdn.sqhk.co/detaludolef/gij9ifg/bingo_world_games_rio.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377408/normal_6039f0958ec0a.pdfIn PDF document text
    • http://puzexijabin.mypressonline.com/84581407989.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365652/normal_5fe172b212537.pdfIn PDF document text
    • http://jenuxijaf.mygamesonline.org/19937077323.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486981/normal_5fc85d352075f.pdfIn PDF document text
    • http://xagugudel.sportsontheweb.net/76115899826.pdfIn PDF document text
    • https://cdn.sqhk.co/vonitumefide/rjcICTs/dwyane_wade_net_worth_2018.pdfIn PDF document text
    • https://cdn.sqhk.co/gitovera/jhQih8H/top_40_country_music_videos_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/pemoxeriko/ibgfwdG/gojuvikoxojetikafo.pdfIn PDF document text
    • https://cdn.sqhk.co/xabiximakef/6IjbgiC/poximimofumejegaraputub.pdfIn PDF document text
    • https://cdn.sqhk.co/rufebumu/jaRgcSV/bomb_squad_download_hack.pdfIn PDF document text
    • http://naturelofo.mypressonline.com/lower_boundary_of_the_zone_of_proximal_development_refers_to.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472198/normal_6028bf5125983.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
    • http://zewadomi.myartsonline.com/does_the_lg_vn170_have_a_sim_card.pdfIn PDF document text
    • http://gixopiv.onlinewebshop.net/93513362744.pdfIn PDF document text
    • http://vekejuf.atwebpages.com/porobasozoz.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_off0000dd67.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD67 5188 bytes
SHA-256: 9f191c69fa1dd6e7ea3e25ee444849c05f3420e0a6c9f2f1d065ef84c6b78862
font_01_sfnt_off0000ef0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF0E 9888 bytes
SHA-256: 3037edcad4da042e899da7d42d2fbf60f8a12b08ef516e24d3a7fb0a655c67a0
font_02_sfnt_off00011100.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11100 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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