Malicious PDF — malware analysis report

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://zajinet.ru/wix?keyword=csec+chemistry+workbook+answers PDF link annotation

  • https://didejigoximatex.weebly.com/uploads/1/3/1/0/131070501/2999d85446c.pdfIn PDF document text
  • https://femezusuf.weebly.com/uploads/1/3/1/6/131606597/jipifipotutow-rewizulirawifa-xeximobi-pafoxefiwisukux.pdfIn PDF document text
  • https://tuvikeba.weebly.com/uploads/1/3/4/7/134732988/5008375.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4476015/normal_6003893884838.pdfIn PDF document text
  • https://pexerewiku.weebly.com/uploads/1/3/5/3/135313352/rosixoj.pdfIn PDF document text
  • http://dokekus.22web.org/30306941729.pdfIn PDF document text
  • https://wodirukuz.weebly.com/uploads/1/3/5/3/135398055/7903110.pdfIn PDF document text
  • https://wibawamo.weebly.com/uploads/1/3/1/3/131383294/2424682.pdfIn PDF document text
  • https://buwotudotep.weebly.com/uploads/1/3/1/6/131606539/luxakagovopikalafik.pdfIn PDF document text
  • http://deviditiposu.iblogger.org/broiler_farming_for_beginners.pdfIn PDF document text
  • https://zizukomeluze.weebly.com/uploads/1/3/4/5/134582384/754466.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425256/normal_6057eda449947.pdfIn PDF document text
  • https://ruzuxopamekegi.weebly.com/uploads/1/3/4/7/134748505/1234576.pdfIn PDF document text
  • https://lujisitezolip.weebly.com/uploads/1/3/4/1/134109273/zoludogovitusa_latopubat.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cf2e1f24-e5f1-4289-9567-3affce9c164e.filesusr.com/ugd/a4ea6c_54e823399baf4861b08f4b57ea54db52.pdf?index=trueIn PDF document text
  • https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_62b39fb872c148e0b73f32565f1e7e0f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tisegovofu/cambly_apk_indir.pdfIn PDF document text
  • http://tidefos.epizy.com/adobe_premiere_pro_download_for_windows_10_64_bit_free.pdfIn PDF document text
  • https://s3.amazonaws.com/mojivikapeti/zones_of_regulation_activities_elementary.pdfIn PDF document text
  • https://dbba0f06-1911-40f0-8c80-a2638c7f81cc.filesusr.com/ugd/b13fd1_c5b22f1588964b999b3b1b755ea96704.pdf?index=trueIn PDF document text
  • http://kapiwon.rf.gd/yoga_asanas_postures_with_pictures_in_tamil.pdfIn PDF document text
  • https://s3.amazonaws.com/xifabilejilab/amazon_fire_stick_video.pdfIn PDF document text
  • https://s3.amazonaws.com/ritoma/orthodox_vs_catholic_vs_protestant.pdfIn PDF document text
  • https://8eb0ff2f-1b5f-41fb-a82b-bf279dc7f43e.filesusr.com/ugd/868f76_1066ec25c0284151a08e637933202a38.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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