Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://kuzutuzo.ru/123?utm_term=birthday+images+hd+gif PDF link annotation

  • https://pojamemurix.weebly.com/uploads/1/3/1/4/131408024/4306051.pdfIn PDF document text
  • https://fejuzewe.weebly.com/uploads/1/3/4/8/134883228/tonapibiwujiwisi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373008/normal_5ffb321672a90.pdfIn PDF document text
  • https://fefirewaw.weebly.com/uploads/1/3/0/7/130775199/poxaza.pdfIn PDF document text
  • https://fozuduwepekata.weebly.com/uploads/1/3/5/3/135320000/5675980.pdfIn PDF document text
  • https://wujojebexubab.weebly.com/uploads/1/3/1/3/131380870/3b0b6d81.pdfIn PDF document text
  • https://tawisowa.weebly.com/uploads/1/3/5/3/135315305/foxorafapaxavafifu.pdfIn PDF document text
  • https://fiwisito.weebly.com/uploads/1/3/4/7/134715438/1458186.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449599/normal_5fd8f23aedc5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447663/normal_603bf65acccee.pdfIn PDF document text
  • https://bevabuje.weebly.com/uploads/1/3/4/8/134897483/15f2c8f.pdfIn PDF document text
  • https://zunitaxipef.weebly.com/uploads/1/3/1/3/131398356/betuxevusina.pdfIn PDF document text
  • https://pazaduzot.weebly.com/uploads/1/3/4/4/134473777/6166938.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_f9153f8fa0b74b7ab2897c83124031b4.pdf?index=trueIn PDF document text
  • https://aa3bb5c3-2bd4-4791-9e2a-6e31d5009b04.filesusr.com/ugd/60e703_aa05d0c32c99418b87d8bf836f653021.pdf?index=trueIn PDF document text
  • https://a8a70d16-e3f0-4805-b115-4d8c62c40b57.filesusr.com/ugd/82e28d_42f5f02edcf24469ad265958f8a69b32.pdf?index=trueIn PDF document text
  • http://jedovimesize.epizy.com/parts_of_the_human_brain_and_their_functions.pdfIn PDF document text
  • http://kiwajuku.epizy.com/53378963335.pdfIn PDF document text
  • https://d0bf7e8b-5449-41c0-93e9-161603c0719f.filesusr.com/ugd/197ed4_a705cb9b07014600914768193d9b684c.pdf?index=trueIn PDF document text
  • http://vuvumotelikev.rf.gd/mimasodijemijazutogolo.pdfIn PDF document text
  • http://judomumofu.rf.gd/kazopulufiwojewujonore.pdfIn PDF document text
  • http://pakewerulawe.rf.gd/how_to_use_onenote_on_ipad.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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