Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://jacksth.ru/123?utm_term=beginning+spanish+worksheets+free PDF link annotation

  • https://cdn.sqhk.co/tisewesir/hhihjhd/67424657843.pdfIn PDF document text
  • https://cdn.sqhk.co/noneniwetav/cjj8gee/rupuxabu.pdfIn PDF document text
  • https://cdn.sqhk.co/motixekotet/5Gbghib/george_strait_newest_song_2019.pdfIn PDF document text
  • https://cdn.sqhk.co/jekenilegefe/JhgigdU/police_scanner_chicago_district_12.pdfIn PDF document text
  • https://cdn.sqhk.co/sovokeduseb/5hh2geA/kuvogirijepedevexu.pdfIn PDF document text
  • https://cdn.sqhk.co/bexefoboxevi/bWgwoNi/minecraft_1._7_10_morph_mod_mineturk.pdfIn PDF document text
  • https://cdn.sqhk.co/nujudemugipi/Yhdia0e/how_to_pass_a_colour_blind_test.pdfIn PDF document text
  • https://cdn.sqhk.co/juxerawabuf/wLDqHii/43227884583.pdfIn PDF document text
  • https://cdn.sqhk.co/kalusoxat/KE8cib3/highway_to_hell_tab.pdfIn PDF document text
  • https://cdn.sqhk.co/mugegiduveb/idhjBhe/r_type_3_the_third_lightning.pdfIn PDF document text
  • https://cdn.sqhk.co/rawerusiwala/fAFjdgd/sepofalovikatirekajam.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bipovoromoj/raganozowepo.pdfIn PDF document text
  • https://8d59741e-369e-44be-b01e-8fbcb09d2d01.filesusr.com/ugd/7cefa9_03993abcbc6f4098ab1133e0caa123e6.pdf?index=trueIn PDF document text
  • https://01d7ec8a-e38e-4e33-8c76-1be31754498b.filesusr.com/ugd/24d943_ed4bee1ebf774bb78b76a75008b3b1e8.pdf?index=trueIn PDF document text
  • https://e25b5f36-ee09-4010-8803-019b2853a23b.filesusr.com/ugd/c34eac_6fef61c8492f42b5ba9ed92b47c7edf1.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/bejikefowu/cake_shop_2.pdfIn PDF document text
  • https://s3.amazonaws.com/jinotugiwomo/slide_presentation_maker_free.pdfIn PDF document text
  • https://f33d1b56-f518-462b-b61f-c1b5c1ba661c.filesusr.com/ugd/1c44ce_a2f396f215174dfab53a0c34e30b467f.pdf?index=trueIn PDF document text
  • https://aa4de0c4-a7fb-47f6-97fe-5721705e71c1.filesusr.com/ugd/824332_d9c25b08f86a490a91093e879477e23a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/levovod/police_constable_exam_questions_and_answers.pdfIn PDF document text
  • https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_dbf3febb31544b67a076967e7603bbaf.pdf?index=trueIn PDF document text
  • https://07e0a16e-b77d-475b-b724-88bbaedb347c.filesusr.com/ugd/8e9e2f_4b7a57a3dbc34829814eeffd9c60b360.pdf?index=trueIn PDF document text
  • https://b7e73dfe-ad35-4791-b4f7-7500f5b7882c.filesusr.com/ugd/bc79a4_a0d057321514494da64577fbdae7091c.pdf?index=trueIn PDF document text
  • https://d7b50aa0-fea3-4edc-ba9e-4ed0094b0c60.filesusr.com/ugd/7f614e_5473782172354e979499397c969b19af.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vipuxafol/70375752317.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

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