Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a33d11eb9a20719…

MALICIOUS

PDF

72.9 KB Created: 2021-03-05 22:46:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 41e0fddf293a044c611e20992b41b6ba SHA-1: e556ffae38cc6effbf3e63b145a8bc48066667b5 SHA-256: 6a33d11eb9a20719ed73f8564751f6b3844bcdcaba099b41c626efa5177983d7
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://pelibifir.ru/wix?keyword=castle+cats+cheats+2019 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4489969/normal_5ff26f5025de5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475866/normal_5fef72d128a1a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375515/normal_601a480b69bff.pdfIn PDF document text
    • http://losewunisa.22web.org/xirokatatosigadexemibab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375087/normal_602a0907d8cd2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/68681ea2-3dc1-4d6a-b22a-5268b40d7547/42861791433.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d5515cc-db81-482d-bb4f-e1a77a428e0c/are_tracfones_locked_or_unlocked.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1a6862c2-f128-4b3b-8535-a8bf5e113c2e/89876891466.pdfIn PDF document text
    • http://susesibukof.epizy.com/megger_test_report_excel_format.pdfIn PDF document text
    • http://bopoxisi.rf.gd/difference_between_impressionism_and_expressionism_in_art.pdfIn PDF document text
    • http://kanusilos.epizy.com/mimimixeximaxigefuz.pdfIn PDF document text
    • http://tuguwobafadurot.rf.gd/anthropometry_of_human_body.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/85f4dc59-a8a9-4e13-9835-26dba7d3d8ad/how_many_companies_are_listed_on_the_tokyo_stock_exchange.pdfIn PDF document text
    • http://gutolagewu.rf.gd/2994863419.pdfIn PDF document text
    • https://s3.amazonaws.com/zevutebulaworel/after_effects_cc_keyboard_shortcuts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4783f6bb-f9cc-4bd0-a15b-53ad6f8d7158/jijizuzadira.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ecccee98-c7eb-4ed8-9ca8-4b33aa3febb4/energy_flow_through_ecosystem_ppt.pdfIn PDF document text
    • http://badizep.epizy.com/bomixojefafinixixaso.pdfIn PDF document text
    • https://s3.amazonaws.com/savifin/jinja2_template_flask.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be55a339-3eee-4c7a-a4dc-370665f72484/what_is_code_11_on_a_rheem_tankless_water_heater.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_off0000e1b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B5 5180 bytes
SHA-256: 12c94d23d5094d857272f236d3372c05b8def35843b2c32fb19a431192052cd1
font_01_sfnt_off0000f34d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF34D 10184 bytes
SHA-256: 42b625320563fd0ed977efbff5e00f31fd71bfff90c7bedbdb4495ea217f5eeb

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