Malicious PDF — malware analysis report

Static analysis result for SHA-256 1497b9b21b773f86…

MALICIOUS

PDF

69.6 KB Created: 2021-03-09 17:45:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: e272a7373d8415885ab87afbafe01ada SHA-1: 4a340effc04b039c657af4b80274a450a150e580 SHA-256: 1497b9b21b773f8638c1bde7f7a97b849a111d3de0c8f9637f5ebfe9ebad6cdd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://jottigo.ru/award?keyword=sound+attenuator+selection+pdf PDF link annotation
    • https://cdn.sqhk.co/xoxapivasif/ifhcjcB/advisory_board_washington_dc_office.pdfIn PDF document text
    • https://cdn.sqhk.co/xukerejolar/GgcaP0V/mosfet_characteristics_lab_report_conclusion.pdfIn PDF document text
    • https://wuxigato.weebly.com/uploads/1/3/2/6/132680835/sipepasukiser.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447101/normal_5fe0e070959be.pdfIn PDF document text
    • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/6629018.pdfIn PDF document text
    • http://siankaanmexico.com/aladin_movie_songs_mingz87lz.pdfIn PDF document text
    • https://rabidibizuzej.weebly.com/uploads/1/3/4/6/134648686/zuloloveretale-nubaxukos-getajafipot.pdfIn PDF document text
    • https://cdn.sqhk.co/feluxolid/NGLjihh/visiting_card_designer_near_me.pdfIn PDF document text
    • https://wevikafajaxa.weebly.com/uploads/1/3/1/1/131164556/7634152.pdfIn PDF document text
    • https://xegazoniwenopuk.weebly.com/uploads/1/3/6/0/136011370/xibapip-babixutil.pdfIn PDF document text
    • https://cdn.sqhk.co/gitaligido/6jfKiKH/modern_l_shaped_sofa_designs_for_living_room.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374178/normal_602d02cfcdbcc.pdfIn PDF document text
    • https://jesisime.weebly.com/uploads/1/3/4/8/134886507/1148353.pdfIn PDF document text
    • http://runolive.com/52080673447bnffl.pdfIn PDF document text
    • https://pobejatu.weebly.com/uploads/1/3/2/7/132741278/8843338.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/e8459f29-0be9-4452-b309-93a478e46a92/como_trabajar_la_inteligencia_emocional_en_primaria.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d63456c4-538b-45b6-990e-a48e9e14b71a/how_do_i_access_an_old_google_account.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7d4b82af-6845-427e-aeaa-962c884ea5ee/dell_inspiron_620_display_driver.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d520.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD520 5252 bytes
SHA-256: c1e8acdbd3178890abd63502f8277102d77380a7fd679175985fea60c44c11d1
font_01_sfnt_off0000e70a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE70A 10032 bytes
SHA-256: 21a02ccadd831679a455e2118cd692e895372471db647fd6983218aaefa63431

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