Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://jottigo.ru/wix?keyword=integrated+chinese+level+2+part+1+pdf+free PDF link annotation

  • http://postel-na-zakaz.ru/38187893287hhp47.pdfIn PDF document text
  • https://sutesesa.weebly.com/uploads/1/3/4/8/134871168/sosofud-bemomibomoxifo.pdfIn PDF document text
  • https://tizevilujiv.weebly.com/uploads/1/3/1/4/131406709/2237324.pdfIn PDF document text
  • https://nikojaba.weebly.com/uploads/1/3/4/6/134683319/ledabekagowopozijesa.pdfIn PDF document text
  • http://managerprogram.live/jofazajokiwilavunonu8z1.pdfIn PDF document text
  • http://fortuneocredit.com/94600088684f777u.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://jowuzifuw.epizy.com/activismo_feminista.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68fa358a-a7e3-463b-a426-65167d5a7c9c/what_is_experience_dependent_brain_development.pdfIn PDF document text
  • http://dojagosixotebut.rf.gd/wubibijutobigevit.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b2b5296f-d8ef-49d3-9ac6-faf5e1592133/lineamientos_del_consejo_de_participacion_social_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1045df54-c584-4a21-b3a7-adc20622b7a7/wusevelozumiravu.pdfIn PDF document text
  • https://s3.amazonaws.com/risalenefazozo/q_son_primeros_auxilios.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9758fc63-114d-4427-9b6a-66d9de556640/how_do_i_do_an_image_search_on_ipad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebedead8-fd3c-418a-b9a5-e0c4b511d3eb/nikon_fg_20_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/woxewiwupir/isyoung_automatic_pet_feeder_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/460af4ef-7671-4137-b3c5-288229568219/17385503542.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c797b221-66a4-48ab-9ab5-a39978f6d89e/what_is_the_role_of_planning_engineer_in_construction.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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