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://jacksth.ru/123?utm_term=circular+motion+lab+answers PDF link annotation

  • https://cdn.sqhk.co/bepeguvovori/ib0haip/90661796198.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4452846/normal_600c0256ece57.pdfIn PDF document text
  • https://cdn.sqhk.co/pawekenu/7gj3ifp/simple_social_icons.pdfIn PDF document text
  • https://cdn.sqhk.co/basinasedu/jiNI1gh/enyopro_stationary_bike.pdfIn PDF document text
  • http://ropisunofo.mygamesonline.org/22093403804.pdfIn PDF document text
  • http://jugepawe.medianewsonline.com/what_labels_for_dymo_labelwriter_450.pdfIn PDF document text
  • https://cdn.sqhk.co/vurikede/hhjfhbC/roblox_mining_inc_remastered_ore_values.pdfIn PDF document text
  • https://sugiravo.weebly.com/uploads/1/3/4/4/134455537/dexasuk.pdfIn PDF document text
  • https://zudejuzire.weebly.com/uploads/1/3/2/6/132681250/xizokezavurop.pdfIn PDF document text
  • https://cdn.sqhk.co/reteduze/ehbjfgj/fatogusomofebotigapubabu.pdfIn PDF document text
  • https://cdn.sqhk.co/pasededi/fgmjbTd/lineage_2_revolution_change_dual_class.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4391898/normal_5ff92b74983ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_604503cf6348e.pdfIn PDF document text
  • https://cdn.sqhk.co/duxajoje/FKjdhhg/bilapijewemudoxon.pdfIn PDF document text
  • http://bikejesoxatelo.mygamesonline.org/gagowob.pdfIn PDF document text
  • https://muxupodijem.weebly.com/uploads/1/3/4/8/134885552/lazabimikebo-xefib-povojikakefu-disugobu.pdfIn PDF document text
  • https://cdn.sqhk.co/zegapoxasut/xEnidVd/dirija.pdfIn PDF document text
  • http://paxezot.getenjoyment.net/rhyming_dictionary_for_kids.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://kavibajegis.onlinewebshop.net/57499477417.pdfIn PDF document text
  • https://2ddedb0e-b7b0-41c9-a8bc-c018bd0e6e4c.filesusr.com/ugd/70094d_6ad17b38695d4b57af13377349330f8f.pdf?index=trueIn PDF document text
  • https://6f465708-eb37-4ee2-8658-ebeec6cd93ea.filesusr.com/ugd/4bb103_dc49e29c17054bcaa3fc777344e629ca.pdf?index=trueIn PDF document text
  • https://76b44699-1094-4fd8-8d4a-70b7be8159c3.filesusr.com/ugd/c450b2_c6d37e0323d742b499dbe1e288adf6d2.pdf?index=trueIn 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

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