Malicious PDF — malware analysis report

Heuristics 4

• 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 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://yafferge.ru/aws?utm_term=bumblebee+transformer+drawing+cartoon In PDF document text

  • http://barivelovone.22web.org/93781944857.pdfIn PDF document text
  • https://site-1177382.mozfiles.com/files/1177382/23561714277.pdfIn PDF document text
  • https://site-1204117.mozfiles.com/files/1204117/hangman_game_ppt_template.pdfIn PDF document text
  • http://wegutamozeji.iblogger.org/netumuzigegezelisipijuf.pdfIn PDF document text
  • http://xevidome.iblogger.org/script_template_font.pdfIn PDF document text
  • https://site-1175914.mozfiles.com/files/1175914/21007389827.pdfIn PDF document text
  • https://site-1177606.mozfiles.com/files/1177606/jio_recharge_check_code.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411932/normal_600460ab2a2cc.pdfIn PDF document text
  • https://site-1174172.mozfiles.com/files/1174172/lerufapeza.pdfIn PDF document text
  • https://site-1194102.mozfiles.com/files/1194102/bitdefender_gravityzone_vhd.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://vijijowop.epizy.com/bhavesh_joshi_superhero_movie_480p_filmywap.pdfIn PDF document text
  • http://takugiwem.rf.gd/vumuletupidinonokemazaji.pdfIn PDF document text
  • https://s3.amazonaws.com/gewuwasi/bteup_revaluation_form_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/jovekus/81997106460.pdfIn PDF document text
  • http://zekafoweratum.epizy.com/moxapigunugokesidibewiv.pdfIn PDF document text
  • http://retesatitogeli.epizy.com/antivirus_software_for_android_mobile.pdfIn PDF document text
  • https://s3.amazonaws.com/mogipegi/19694646277.pdfIn PDF document text
  • https://s3.amazonaws.com/nufidibodudulad/repudizazesukux.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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