Malicious PDF — malware analysis report

Static analysis result for SHA-256 018d2c411eb66653…

MALICIOUS

PDF

78.6 KB Created: 2021-03-16 11:32:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: c00a358af9286819f48d699e0c501bd1 SHA-1: fda86501687a8f383b44a246c39c9c425835b2eb SHA-256: 018d2c411eb66653a77223a09ee3b5cd3e4efdf6be3c418582d3d56091ac3d75
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://mezovuduw.ru/award?keyword=best+pdf+ebook+reader+for+pc PDF link annotation
    • http://medgaj.com/orbit_sprinkler_controller_57974zjce3.pdfIn PDF document text
    • http://wijasagasipode.getenjoyment.net/what_is_3m_health_information_systems.pdfIn PDF document text
    • http://paringljkf.com/95019479826zx7s2.pdfIn PDF document text
    • https://cdn.sqhk.co/xajimujigaju/6BPckG9/tft_set_4_cultist_spat.pdfIn PDF document text
    • http://toxinudi.22web.org/net_forces_worksheet_answers.pdfIn PDF document text
    • http://contact-git.top/tuxeguni00nr7.pdfIn PDF document text
    • http://bositozibab.getenjoyment.net/carrera_armamentista_guerra_fria.pdfIn PDF document text
    • http://witaxiwudit.iblogger.org/tapewenidiwinujalivazor.pdfIn PDF document text
    • http://mitimewigupito.mypressonline.com/kinumogisosenovur.pdfIn PDF document text
    • http://simcars.ru/graphing_linear_equations_worksheet_answers_key2mvwx.pdfIn PDF document text
    • https://cdn.sqhk.co/mebosuxular/baAYhdU/61743127768.pdfIn PDF document text
    • http://techanomic.com/multiply_polynomials_worksheet_doc1xj6x.pdfIn PDF document text
    • https://cdn.sqhk.co/wodelaganav/hadhhCY/49573178393.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/tosego/naruwidazononuvixufut.pdfIn PDF document text
    • http://zedofaxuboz.onlinewebshop.net/zakudipowos.pdfIn PDF document text
    • https://s3.amazonaws.com/fotepopunaj/90599080216.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuduwonifa/imdb_john_wick_3.pdfIn PDF document text
    • http://lupixopuvir.onlinewebshop.net/77488712491.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_off0000f343.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF343 5368 bytes
SHA-256: 81703e92de2227de499168d3a9c37f7f941080679a2e7a5de3c1e6ab32dd380e
font_01_sfnt_off00010598.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10598 11232 bytes
SHA-256: ab2eb64e76b778d90be2e919ae4811e0c786bb0798337fcaed2e27a8de513a09