Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2bbead7c70a4f23…

MALICIOUS

PDF

66.0 KB Created: 2021-02-27 10:37:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 6d1ba16c5150e143a6945ca35f9e84e7 SHA-1: b21d04f7680aa4e74a69bb1157d1246835eed329 SHA-256: e2bbead7c70a4f23827f84dfd0dd3d5e71d9374832d68f2c43f4a2b44b17a1fb
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://baarspo.ru/wix?keyword=eagle+ridge+elementary+school+lone+tree+co PDF link annotation
    • https://sovomebidug.weebly.com/uploads/1/3/1/3/131379042/mevepomaruxenuzasef.pdfIn PDF document text
    • https://fisuzawagowesus.weebly.com/uploads/1/3/1/8/131857314/871856.pdfIn PDF document text
    • https://kipopidetudi.weebly.com/uploads/1/3/1/4/131407440/tegavunobukej_lewagatirepagob.pdfIn PDF document text
    • https://dibarovufi.weebly.com/uploads/1/3/0/7/130776786/f198cad.pdfIn PDF document text
    • https://lovelutunaguj.weebly.com/uploads/1/3/4/7/134735325/bae9ab.pdfIn PDF document text
    • http://storedubai.shop/montana_beneficiary_deed_template9hqmc.pdfIn PDF document text
    • http://tipofeliluget.medianewsonline.com/wejidegepepatebitofit.pdfIn PDF document text
    • https://simebusuf.weebly.com/uploads/1/3/1/4/131406507/sopubofulebakoxav.pdfIn PDF document text
    • http://lixorajepidil.mygamesonline.org/83418893709.pdfIn PDF document text
    • http://reactivaperu-viabcpi.com/katofelt1l9j.pdfIn PDF document text
    • https://taxajoberaruvu.weebly.com/uploads/1/3/4/3/134320235/kumulek-lelos.pdfIn PDF document text
    • https://xonesomo.weebly.com/uploads/1/3/0/7/130739362/jivijezezimebi_luwexuxaturilo_weditu.pdfIn PDF document text
    • http://andyhongdigital.com/malonimevobosotukewrs8gr.pdfIn PDF document text
    • https://jebigifapiw.weebly.com/uploads/1/3/1/3/131379276/e2ef5.pdfIn PDF document text
    • http://pokemonrivals.online/red_rose_movie_20148jui0.pdfIn PDF document text
    • http://siwosupegejolop.medianewsonline.com/is_king_james_catholic.pdfIn PDF document text
    • https://vakogupomuniv.weebly.com/uploads/1/3/4/6/134610568/piweluzokige-fifezuzolikofa-pabavo-tutodomegifavak.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/fizufapu/voice_recorder_apk.pdfIn PDF document text
    • http://rogofideb.onlinewebshop.net/complex_problems_simple_solutions_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/mutirexa/mapa_metro_sp.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_off0000c5a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5A6 5412 bytes
SHA-256: 4395675a1acc4e38eb3d07eface638535955f768e965015ffe8f788cb4f324b1
font_01_sfnt_off0000d7ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7EE 10216 bytes
SHA-256: bffb1fb01c5d1d5b38407a7407680fcd948645875748668068185c33e7add7f3

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