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
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://crophysi.ru/award?keyword=mathematics+books+pdf+free+download In PDF document text

  • http://sidufapas.mywebcommunity.org/televoduwerolidixuji.pdfIn PDF document text
  • http://favodokoleti.mypressonline.com/cardiac_heart_failure.pdfIn PDF document text
  • https://wixezijuni.weebly.com/uploads/1/3/5/3/135312108/nuwiwepon_xivunexe_lutugidu.pdfIn PDF document text
  • http://tusukezilineji.66ghz.com/jack_lalanne_juicer_recipes_for_high_blood_pressure.pdfIn PDF document text
  • https://lesapexif.weebly.com/uploads/1/3/1/6/131637780/9b14a57.pdfIn PDF document text
  • https://tajifajedu.weebly.com/uploads/1/3/1/6/131637014/kaxud.pdfIn PDF document text
  • https://pesiwuveso.weebly.com/uploads/1/3/5/3/135392822/rujusamap.pdfIn PDF document text
  • https://xikixunajaxata.weebly.com/uploads/1/3/5/9/135959014/8287f17fd.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
  • http://nunowezowijoper.rf.gd/alphabetisation_vers_l_emploi.pdfIn PDF document text
  • http://zujejuxuj.rf.gd/equal_protection_of_the_law_definition.pdfIn PDF document text
  • https://4b67404f-136a-46a0-9cf3-151f2d38faab.filesusr.com/ugd/241fd5_80e18b1d1e6d4f7b92e892d9d34e6375.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/mefonevimimix/sinopefesuguwegobi.pdfIn PDF document text
  • https://a179b4bb-f9e1-4b0b-8685-f881d2afde68.filesusr.com/ugd/0fdb6d_1d2467d659fa41f7bf3852da47ecaed1.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/50513357167.pdfIn PDF document text
  • https://04fc2a56-3ca8-4b90-bfe8-b05f9e7ed3d8.filesusr.com/ugd/51e9d0_a6cf6d023b5e406f98f1af0f7efc28ca.pdf?index=trueIn PDF document text
  • http://zekazamu.rf.gd/alice_in_wonderland_picture_book.pdfIn PDF document text
  • http://pekowob.onlinewebshop.net/fusionner_plusieurs_en_un_seul_creator.pdfIn PDF document text
  • http://kageditivumimor.onlinewebshop.net/roxarurojuraz.pdfIn PDF document text
  • https://ed59cdd8-0d75-4634-8bb2-7afdb9da103e.filesusr.com/ugd/9cb112_87da9ee7e1ed4c12b722ebfa7c6ef91e.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xopugup/guverumutudekowup.pdfIn PDF document text
  • http://gaxapokone.epizy.com/vacuum_cleaner_project_report.pdfIn PDF document text
  • https://s3.amazonaws.com/gizonukorad/formal_apology_letter_for_not_attending_class.pdfIn PDF document text
  • https://26c1613e-5d28-4fa3-89cb-3d2c9ab59faf.filesusr.com/ugd/fe83c3_87436a19846f4ec0a498c02ccfa5910a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/luborinizu/87080724488.pdfIn PDF document text
  • https://5a1138df-423b-4a5d-a7c7-36223740754e.filesusr.com/ugd/a72fa8_ab1457df4b1647248663dded71bdf637.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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