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.cc/123?keyword=%25D9%2583%25D8%25AA%25D8%25A7%25D8%25A8+%25D9%2585%25D8%25B9%25D8%25B1%25D9%2581%25D8%25A9+%25D8%25B9%25D9%2584%25D9%2588%25D9%2585+%25D8%25A7%25D9%2584%25D8%25AD%25D8%25AF%25D9%258A%25D8%25AB+%25D9%2584%25D9%2584%25D8%25AD%25D8%25A7%25D9%2583%25D9%2585+pdf In PDF document text

  • https://nijubalalo.weebly.com/uploads/1/3/1/4/131453980/sejofafuw-gewovafi-kiduvap.pdfIn PDF document text
  • https://satobolusiv.weebly.com/uploads/1/3/1/3/131398412/e7e3064f53d.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/084ad.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/d1ee3c84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381740/normal_5f920e08261e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378390/normal_5f920a70337cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368982/normal_5f8b433b460c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391642/normal_5f9248db4918d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383445/normal_5f8bbcfd59f5d.pdfIn PDF document text
  • https://rofexigu.weebly.com/uploads/1/3/0/7/130738805/6a634e617.pdfIn PDF document text
  • https://wotigutaz.weebly.com/uploads/1/3/4/3/134361511/pagibuz.pdfIn PDF document text
  • https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/147a10232f42.pdfIn PDF document text
  • https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/wusemewigop.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000079d7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000079d7.bin)
  • https://uploads.strikinglycdn.com/files/1237b04d-fafa-422a-af20-95e9805f2b65/41968775270.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2195b102-5256-43c4-aa43-df2b2c3fa0e9/musica_de_soda_stereo_exitos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53031978-ad95-497f-9266-04aaf2950129/waxabedajotitubu.pdfIn PDF document text
  • https://s3.amazonaws.com/dorulusof/20666934996.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/4530680258.pdfIn PDF document text
  • https://s3.amazonaws.com/mupukesunobaga/bsc_2nd_year_zoology_book_download.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/18411956535.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/bsc_computer_science_curriculum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8534/1892/files/boots_digital_tens_machine_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8394/8718/files/ap_intermediate_civics_textbook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9297/6829/files/2500892624.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://dejavu.sourceforge.netIn extracted file (stream_007_off0000cead.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_007_off0000cead.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000079d7.bin)

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