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/strik?utm_term=verbos+regulares+e+irregulares+en+espa%25C3%25B1ol+pdf PDF link annotation

  • https://tefafovok.weebly.com/uploads/1/3/4/5/134588422/rukesetananijago.pdfIn PDF document text
  • http://arm-watch1.club/19962817845vmos.pdfIn PDF document text
  • https://xupovefodifej.weebly.com/uploads/1/3/6/0/136053951/posilopimisebulosi.pdfIn PDF document text
  • https://vujipobunovopo.weebly.com/uploads/1/3/5/3/135324227/9aa6103061831.pdfIn PDF document text
  • http://reduslimitaly-ufficiale.site/what_is_the_pass_rate_for_nasm_cpt_examdsa54.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417040/normal_6004e42b739a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448137/normal_600a91b749962.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459323/normal_6031567ca188e.pdfIn PDF document text
  • http://azalea.store/heart_touching_painful_sad_love_story_hindi_sad_song_download4jqai.pdfIn PDF document text
  • https://foxaxefaga.weebly.com/uploads/1/3/1/3/131398491/sunep.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465949/normal_60536de07f1ff.pdfIn PDF document text
  • https://bexusisase.weebly.com/uploads/1/3/4/5/134596812/4b1f29d4360d879.pdfIn PDF document text
  • http://getliterate.online/fexupasifemex9frb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/c1f083ec-6382-4138-b338-cadf081798f6/introduction_to_c_language_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/jolozidabi/game_audition_ve_may_tinh.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/54fcf679-21a7-485e-83df-96b3dbce2134/rfid_uno_starter_kit_for_arduino_projects.pdfIn PDF document text
  • https://s3.amazonaws.com/leteraxewe/fojiwedimibobusolelixifew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b1150a4-65a2-4b07-bc3a-01dc3ab69e7c/limiputovemud.pdfIn PDF document text
  • https://3e1d1bad-f645-4ebd-ac75-469e7ff7c972.filesusr.com/ugd/e745be_0a0d96ab44f4434b9306bee5da284f9f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/772ca32f-69e1-41fa-8282-2c5eeb229366/james_allen_jewelry_store.pdfIn PDF document text
  • https://19aaccd0-9772-41b6-85c4-be118606641a.filesusr.com/ugd/a12125_2bf51baa65694f45a6ca9c65a89c33d0.pdf?index=trueIn PDF document text
  • https://4fbc56e1-d9a2-4996-be1d-38f9cd263936.filesusr.com/ugd/b1afee_9a90179408624b5998e1d9dba96e5e7b.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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