Malicious PDF — malware analysis report

Static analysis result for SHA-256 edbad3de51fc2966…

MALICIOUS

PDF

80.6 KB Created: 2021-03-07 20:29:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 7123ca742699707f31691fc9834f63a4 SHA-1: fdbf989a6d69c3ba2a61a03b4fc800942d317939 SHA-256: edbad3de51fc2966d7f1dc24d558c00a8e7101217a6ead8eef1da22784f89f6d
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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/aws?utm_term=romeo+and+juliet+play+summary+pdf PDF link annotation
    • http://kolagiriwu.22web.org/assistive_touch_apk_2018.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385197/normal_601bb3f573963.pdfIn PDF document text
    • http://fasoxuxesatilu.sportsontheweb.net/87364119852.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375339/normal_6040bcd014aa2.pdfIn PDF document text
    • https://cdn.sqhk.co/risubibasero/AKyaPjb/pocket_stables_mod_medal.pdfIn PDF document text
    • http://jekenufakewe.mypressonline.com/golubetodibap.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425908/normal_5fee9722ad7e0.pdfIn PDF document text
    • https://cdn.sqhk.co/xevowuto/jijhfgd/5830124244.pdfIn PDF document text
    • https://cdn.sqhk.co/mapetidul/Ohfiegi/explain_how_to_manage_a_budget_in_business.pdfIn PDF document text
    • https://cdn.sqhk.co/latosagax/gpdjcAa/fobedazosezulifovesija.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
    • https://45b0b119-5f8c-43e7-b437-4e12d17c1c81.filesusr.com/ugd/3826db_6f061815f40a4e359e14936be6a185f6.pdf?index=trueIn PDF document text
    • http://wosolebaxuwutux.rf.gd/baptismal_tarpaulin_design_template.pdfIn PDF document text
    • https://s3.amazonaws.com/ronenitevodo/55440549821.pdfIn PDF document text
    • http://pufupivati.epizy.com/the_hunchback_of_notre_dame_song_lyrics.pdfIn PDF document text
    • http://xefivaz.epizy.com/hero_wars_guide_warcraft_3.pdfIn PDF document text
    • https://s3.amazonaws.com/fewifuwu/letter_writing_format_for_experience_certificate.pdfIn PDF document text
    • https://19e6fc83-c281-4d06-93fd-e8b16a02b90a.filesusr.com/ugd/ce5d00_97948ab7e9214c11abb8c89085d22f53.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/foneniz/94092555939.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/linel.pdfIn PDF document text
    • https://s3.amazonaws.com/nalifij/report_on_adulteration_of_food_items.pdfIn PDF document text
    • https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_c7a6ffa6671046568296b0ec8b188865.pdf?index=trueIn PDF document text
    • http://zikoliduxa.atwebpages.com/xapubefijikeripiporozipep.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_off0000f0ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0EA 5252 bytes
SHA-256: 14287e08e988f64dd7bf8a9aa718666f17057043fb3f6d05e8c7ad6e1ea00b66
font_01_sfnt_off000102b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102B7 10392 bytes
SHA-256: dc4eb19c4e94f5a3aea2e469be2168c2af8dbd1396fccce9e901779b0899df6d
font_02_sfnt_off0001264e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1264E 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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