Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ab05c26d09f9ebe…

MALICIOUS

PDF

73.2 KB Created: 2021-03-13 13:20:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 89f253e941f88a862f906202cc3a4b8d SHA-1: 62e8990cc34de9b853f746cce4f5eaad454194a3 SHA-256: 6ab05c26d09f9ebeebc515dfd5c288210619e4d97e4b83745c3b3be1ad2de0bb
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/wix?keyword=homeless+survival+guide+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4476133/normal_6034c1046ab8e.pdfIn PDF document text
    • http://lamenomapod.iblogger.org/limuzusudalut.pdfIn PDF document text
    • https://cdn.sqhk.co/kajurineg/f0njdih/energy_joe_mod_apk_download.pdfIn PDF document text
    • http://tawaguf.scienceontheweb.net/body_parts_vocabulary_exercises.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369777/normal_604b1ac07d42d.pdfIn PDF document text
    • https://cdn.sqhk.co/difixoruze/rRjhaQI/disney_costumes_for_adults_plus_size.pdfIn PDF document text
    • http://nejevefivi.mypressonline.com/ascaris_nematode.pdfIn PDF document text
    • https://cdn.sqhk.co/dutedape/ijfKoge/condado_beach_puerto_rico_homes_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/pumibavi/djfie3r/setepatatul.pdfIn PDF document text
    • http://matawobedopikam.mywebcommunity.org/flysky_fs_i6_2.4_g_6ch_afhds_rc_transmitter_manual.pdfIn PDF document text
    • http://vosalax.22web.org/antara_ada_dan_tiada.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mujigakevomo.epizy.com/62634928100.pdfIn PDF document text
    • http://zutilokip.epizy.com/60056447034.pdfIn PDF document text
    • https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_6dea96d5b54a455d9026c8ab7493e692.pdf?index=trueIn PDF document text
    • https://77da94c0-0f0a-445b-87af-e489a0b5ef66.filesusr.com/ugd/db1da1_6c41a1574ad14754b8996f10532dbbdf.pdf?index=trueIn PDF document text
    • https://de2a8dfc-dc8d-4d62-be3b-f97abdd17bf6.filesusr.com/ugd/c722c2_c5f5532d328f4a1d83e0f2f6442b0b75.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5c6e2643-a653-421c-8b1f-1bc409775ffe/nfl_schedule_2015_week_7_predictions.pdfIn PDF document text
    • https://4647adb0-9c01-46a1-aef1-4380d5873f13.filesusr.com/ugd/edb4a7_2db5d7b3e6ae4c31b15c3cd8a9a5a776.pdf?index=trueIn PDF document text
    • https://1c684d3d-b1aa-4d58-8f8e-408f9cf37fac.filesusr.com/ugd/64d889_4748375d0a064ab889db2768b2928451.pdf?index=trueIn PDF document text
    • http://gegapitigiz.rf.gd/ccna_security_dumps.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/83b92bf2-5310-45aa-a8b2-96fa71703c9a/how_does_tax_work_on_forex_trading_uk.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e01e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE01E 5384 bytes
SHA-256: fcea0c1568a67263f76acdd1e6e1b176077f4289fa4197aaecc89cb8b3c5bcff
font_01_sfnt_off0000f25c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF25C 10804 bytes
SHA-256: 373c9a4a1f84443982f421d0960013d78a5d1d0243cae1e29053cbe8043b4e19

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