Malicious PDF — malware analysis report

Static analysis result for SHA-256 eac9e73500e09f7f…

MALICIOUS

PDF

72.0 KB Created: 2021-03-06 20:41:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 89256168f45506f61a38db58c7f50f94 SHA-1: 9348aad5aee6e312c916195fc9064fbbb448ef46 SHA-256: eac9e73500e09f7f7b24732a8a96cbc320a0cf13a9af3ecb855c27ff76c6d7d5
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://ponafet.ru/wix?keyword=chapter+18+reaction+rates+and+equilibrium+answers+pearson+education+answers PDF link annotation
    • http://tuwimig.scienceontheweb.net/95782556366.pdfIn PDF document text
    • http://zopokujejisolan.getenjoyment.net/how_to_handle_discipline_in_the_classroom.pdfIn PDF document text
    • https://cdn.sqhk.co/sabiwizi/2xkggZU/20497728280.pdfIn PDF document text
    • http://nanewak.iblogger.org/bronica_etrs_battery_replacement.pdfIn PDF document text
    • http://rozujed.sportsontheweb.net/17909268433.pdfIn PDF document text
    • https://cdn.sqhk.co/motanunika/giUgeid/nissan_skyline_gtr_r34_wallpapers_for_android.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393752/normal_60033f3492dd0.pdfIn PDF document text
    • http://naliputa.mywebcommunity.org/21544602572.pdfIn PDF document text
    • http://tadugebakonuged.getenjoyment.net/nokugodedinesironak.pdfIn PDF document text
    • http://pixubak.iblogger.org/koset.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470524/normal_602685644b288.pdfIn PDF document text
    • https://cdn.sqhk.co/sofizagumup/iQFKjgY/trishul_defence_academy.pdfIn PDF document text
    • http://sitizinudex.getenjoyment.net/how_to_repair_water_dispenser_leak.pdfIn PDF document text
    • http://joritirumag.mypressonline.com/jvc_kd-r960bts_wiring_diagram.pdfIn PDF document text
    • https://cdn.sqhk.co/wepunajexiju/aXI5Fur/39994491530.pdfIn PDF document text
    • http://mobeditobaxul.scienceontheweb.net/joxukixi.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://gakajitaju.atwebpages.com/what_is_the_main_criticism_of_differential_association_theory.pdfIn PDF document text
    • http://lelobuz.rf.gd/sharon_rogers_dark_star_uniform.pdfIn PDF document text
    • http://xogonat.epizy.com/pirate_kings_for_pc.pdfIn PDF document text
    • http://sajulugebimisu.myartsonline.com/is_physics_class_12_hard.pdfIn PDF document text
    • http://nigojelur.epizy.com/ann_maria_kalippilaanu_movie_video_song.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_off0000ce16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE16 5820 bytes
SHA-256: b5654ae09c8a7256e7574c85da847432320658da3945dca48eed069c50373b31
font_01_sfnt_off0000e1c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1C3 9904 bytes
SHA-256: 51daa7bb02bf2a804d91f892f6e526533867efb0bcbf2e0604242c8e692e7ae5
font_02_sfnt_off0001039e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1039E 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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