Malicious PDF — malware analysis report

Heuristics 5

• 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://ggtraff.ru/strik?keyword=psicologia+aplicada+al+trabajo+muchi In PDF document text

  • https://site-1039787.mozfiles.com/files/1039787/85100077224.pdfIn PDF document text
  • https://site-1042939.mozfiles.com/files/1042939/gonup.pdfIn PDF document text
  • https://site-1039768.mozfiles.com/files/1039768/soluxotudiloxagilu.pdfIn PDF document text
  • https://site-1036636.mozfiles.com/files/1036636/49244611522.pdfIn PDF document text
  • http://files.desertskydoodles.com/uploads/1/3/1/3/131381900/a9a3bdf47e.pdfIn PDF document text
  • http://files.palmettoiteach.com/uploads/1/3/0/7/130776265/e5111c3282677.pdfIn PDF document text
  • http://kaxur.catherinehedrich.com/uploads/1/3/0/9/130969808/lugifope-dadowufevami-katirifaxun.pdfIn PDF document text
  • http://zozitiw.dominicmartinez.com/uploads/1/3/0/9/130969060/wurivovakuritup.pdfIn PDF document text
  • http://kereno.danielleharth.com/uploads/1/3/1/3/131384281/xavekuxitojiwi.pdfIn PDF document text
  • http://pomozumu.garnseysferalacres.com/uploads/1/3/2/7/132741508/vudekaw_gikaveteguwixel_kumajubamoj_luzovabolegiwi.pdfIn PDF document text
  • http://files.faroutfirstaid.com/uploads/1/3/1/8/131856173/2af16.pdfIn PDF document text
  • http://files.cysff.net/uploads/1/3/0/9/130969169/sojekemukebelupo.pdfIn PDF document text
  • http://lofapi.stchadspre-school.com/uploads/1/3/1/6/131636777/3642313.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000832f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000832f.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b950.bin)
  • https://cdn.shopify.com/s/files/1/0486/0484/0096/files/51968629004.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8145/2706/files/el_hombre_y_la_sociedad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8935/4142/files/good_morning_images_with_quotes_for_friends.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5312/0664/files/56093205054.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 extracted file (font_00_sfnt_off0000832f.bin)

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