Malicious PDF — malware analysis report

Static analysis result for SHA-256 08b773e62c756803…

MALICIOUS

PDF

72.3 KB Created: 2021-02-27 02:24:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: bdd96baf7435a256b758b0f92afd9ce8 SHA-1: 1c69d5a2b7e07bc4d34b852210962beca0028aad SHA-256: 08b773e62c75680331fa279b057180877422132b54b0cb8824a964b15d27f65f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://xajibur.ru/award?keyword=7+habits+of+a+highly+effective+teenager+worksheets PDF link annotation
    • http://santand-es.com/how_to_program_genie_garage_door_opener_in_cardck3l.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389582/normal_5fe6f68d699b8.pdfIn PDF document text
    • https://nufewaxitobazat.weebly.com/uploads/1/3/4/7/134748461/6176906.pdfIn PDF document text
    • http://dipenoguzel.sportsontheweb.net/8352836911.pdfIn PDF document text
    • https://fumewalifo.weebly.com/uploads/1/3/4/8/134884483/5100629.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457296/normal_5fd2e5324de71.pdfIn PDF document text
    • https://timifuxi.weebly.com/uploads/1/3/4/6/134676324/1d7e640382.pdfIn PDF document text
    • http://euromarket.pro/wupojeloxaligivoviwuvojemmbpo.pdfIn PDF document text
    • http://prizinsta.site/wumelapugesonsfrz.pdfIn PDF document text
    • http://gisoboxizaza.mygamesonline.org/58357678005.pdfIn PDF document text
    • https://kaledawuvilef.weebly.com/uploads/1/3/4/7/134727412/bikunojuxasewuxa.pdfIn PDF document text
    • http://finipupote.mywebcommunity.org/84006675209.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402712/normal_5fdcb795e809a.pdfIn PDF document text
    • https://dazobexureza.weebly.com/uploads/1/3/1/3/131383777/5831136.pdfIn PDF document text
    • http://warowusavi.mywebcommunity.org/joxikamiparixibodoxewa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476582/normal_5fc5db898b1b4.pdfIn PDF document text
    • http://mainsale.info/let_your_little_light_shine_amos_leexmpk4.pdfIn PDF document text
    • https://noxerurivago.weebly.com/uploads/1/3/4/7/134767941/kisisajemiroka-pilefuxag.pdfIn PDF document text
    • http://ilmahli.com/meijer_blood_pressure_monitor_74-5021_manualht8st.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sazasewugekupej.onlinewebshop.net/bosepaxatonufowafoko.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_off0000dde0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDE0 5584 bytes
SHA-256: aec3b6e35f7866d164fe51b64162b272df57cec3d1f84322b5823d2e54f6cb98
font_01_sfnt_off0000f0f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0F9 9988 bytes
SHA-256: b80c3deff3c33aa94931d01e75755c36aee1c4d15aefc885e39869c7ec8ecb8a

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