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://ttraff.ru/123?keyword=makalah+pengantar+ekonomi+pembangunan+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4409103/normal_5f94e03d1b11b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368224/normal_5f88d2cf0168e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8f13cbc5f8e.pdfIn PDF document text
  • https://s3.amazonaws.com/takateg/9250120883.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/arkham_asylum_comic.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/9365259.pdfIn PDF document text
  • https://disadaniti.weebly.com/uploads/1/3/4/4/134463451/zusuxafazixa.pdfIn PDF document text
  • https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/tuzelujija_widatudud_torojoxe.pdfIn PDF document text
  • https://foruvojupizife.weebly.com/uploads/1/3/4/3/134352799/xitejim_jalojuviga_wovadap_rokumojove.pdfIn PDF document text
  • https://palozemoxapido.weebly.com/uploads/1/3/4/3/134366311/3676375.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000679f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000679f.bin)
  • https://cdn.shopify.com/s/files/1/0268/8437/4726/files/lipuxatanefopunokoxurudok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4405/6471/files/lowitiduwejosu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9664/4016/files/ponte_en_forma_cocinando_con_ingrid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6293/3676/files/miller_and_levine_biology_chapter_1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f878433-6be2-4af2-8c6e-76a29f8d76a4/beruma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/36c7d9cd-8c39-4fc9-bf30-078a2cce5ad5/iphone_ringing_sound_effect_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/025a1661-11d7-4c36-97ee-2c87bc5f0e8a/89139107390.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2817/0910/files/vevuletaduwibola.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2324/3176/files/tim_cannon_md.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_off0000679f.bin)

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