Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c2d6f492dbf20ad…

MALICIOUS

PDF

72.7 KB Created: 2021-02-26 18:17:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 5ef922685491e9277d7ab4e4e4134c95 SHA-1: 104311b51476e35973ccb63c407eb0acddf2b040 SHA-256: 3c2d6f492dbf20ade1a94b7d1d1f8137326a817228eb25947f2d07b39a920e82
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/award?keyword=basic+physics+problems+pdf PDF link annotation
    • http://copyrights-notices-helps.com/worelegidafexaganujajezq65mq.pdfIn PDF document text
    • http://leseweremizew.scienceontheweb.net/chopin_prelude_6_analysis.pdfIn PDF document text
    • http://1freedom.space/52593221591mxfk1.pdfIn PDF document text
    • http://itasda.online/chinese_embassy_nz_visa_application_formx6rdl.pdfIn PDF document text
    • http://cabinetsly.xyz/download_google_books_as_online_freenau79.pdfIn PDF document text
    • https://putonikasobex.weebly.com/uploads/1/3/1/0/131070178/45630d1aee.pdfIn PDF document text
    • http://detonicinitalia.website/why_does_my_smoke_alarm_keep_beeping_randomlyp0mmy.pdfIn PDF document text
    • http://meetcabinets.xyz/xsplit_full_crackarjmj.pdfIn PDF document text
    • http://zikewexer.scienceontheweb.net/how_would_you_describe_the_climate_of_the_basin_and_range_province.pdfIn PDF document text
    • http://silvanozito.online/vakoridimamr9a07.pdfIn PDF document text
    • http://fasad-dom.site/575579136261fqor.pdfIn PDF document text
    • https://vosovijuz.weebly.com/uploads/1/3/0/8/130813614/duzaxo.pdfIn PDF document text
    • http://reduslim-official.website/final_fantasy_iii_nes_translationd7scn.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/jepavilutabilel/ajax_post_with_form_serialize.pdfIn PDF document text
    • https://s3.amazonaws.com/kuxegu/foxtel_guide_movies_premiere.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/amazing_grace_piano_sheet_music_difficult.pdfIn PDF document text
    • http://soranodabiwegi.myartsonline.com/how_to_win_friends_and_influence_quotes.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_off0000dee5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEE5 5688 bytes
SHA-256: 64c2b2a32eb8f97ac6b08a9625e5103d9652cf7eb64f3144d9971b8214387ba6
font_01_sfnt_off0000f210.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF210 10520 bytes
SHA-256: c6780ff5f16a8b2bc8a97c0fd33c7517ddb94df12e5661221f6646ae63c52157