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://leonvi.ru/wix?keyword=safe+to+download+apk+files PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4368266/normal_6031ac06934f9.pdfIn PDF document text
  • https://cdn.sqhk.co/gewewoturila/gfdhchf/10928876669.pdfIn PDF document text
  • http://ogranifruit.space/bible_gateway_audio_freekwzsd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480880/normal_5ff091311cf38.pdfIn PDF document text
  • https://cdn.sqhk.co/gixobujikelu/LhiaZge/7_minute_workout_for_beginners_app.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411250/normal_602e2b6d4dc11.pdfIn PDF document text
  • https://cdn.sqhk.co/daxegajok/DxuKpjb/69505223451.pdfIn PDF document text
  • https://cdn.sqhk.co/kofelejezem/6uVgfgc/32030506282.pdfIn PDF document text
  • https://cdn.sqhk.co/nefakovuwot/jcIjc54/kuladuwaxovom.pdfIn PDF document text
  • https://cdn.sqhk.co/vizakifito/aXieY2T/2017_juco_football_recruits.pdfIn PDF document text
  • http://clyb-wylcan3.space/examen_de_matematicas_segundo_grado_primariaspcrr.pdfIn PDF document text
  • https://cdn.sqhk.co/jowowibow/vVghjbQ/adjektivdeklination_b1.pdfIn PDF document text
  • https://cdn.sqhk.co/sututidogo/fjjCKLC/buvebixalazipadu.pdfIn PDF document text
  • https://cdn.sqhk.co/gotofebelu/jajaeif/ralamizologe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481662/normal_6068d685163b3.pdfIn PDF document text
  • https://cdn.sqhk.co/nonuripot/egjahbg/31974238823.pdfIn PDF document text
  • https://cdn.sqhk.co/zafupusapun/eWieloV/dibijokokapoli.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485821/normal_5fcd72abf22de.pdfIn PDF document text
  • https://cdn.sqhk.co/bajipugotox/hdviaic/xcore_fitness_gym.pdfIn PDF document text
  • https://cdn.sqhk.co/ranetixeba/bRuihjh/53423486085.pdfIn PDF document text
  • http://mastericy-chistoty.ru/how_to_draw_a_furry_dog_step_by_stepk3g3q.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://6762652a-e869-40f3-960d-1446d4066230.filesusr.com/ugd/55e6b1_f695f81b2c31431d909ea42abd9924b2.pdf?index=trueIn PDF document text
  • https://574dee49-ee40-4737-ae02-340ce2b26f9d.filesusr.com/ugd/b44cf7_a10ffde4a52b493588523736fbb5faa0.pdf?index=trueIn PDF document text
  • https://61090d85-22e6-4724-b969-52a17785150c.filesusr.com/ugd/952c2e_6a609029883948af81d07b44cbca50c6.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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