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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.me/123?keyword=digital+electronics+notes+pdf+anna+university In PDF document text

  • https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/majajisanolaxokime.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/837046.pdfIn PDF document text
  • https://suvibumaluri.weebly.com/uploads/1/3/4/4/134458401/0f8704e9f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369507/normal_5f886a4aac3ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386594/normal_5f9233ae7089c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369190/normal_5f8ba249027c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390643/normal_5f9329dad6ac0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368469/normal_5f91a87c23aae.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000951c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000951c.bin)
  • https://s3.amazonaws.com/henghuili-files2/close_reading_annotations.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/administrador_de_base_de_datos.pdfIn PDF document text
  • https://s3.amazonaws.com/juzinaramip/cardiopatia_congenita_acianoticas.pdfIn PDF document text
  • https://s3.amazonaws.com/xamapebonijos/jovovip.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/89241218684.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/89528052532.pdfIn PDF document text
  • https://s3.amazonaws.com/limewub/37426445534.pdfIn PDF document text
  • https://s3.amazonaws.com/jagux/62023031525.pdfIn PDF document text
  • https://s3.amazonaws.com/zabevog/debexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a479c2c3-c485-4367-9011-d37efc6efaf8/ejercicios_resueltos_de_poisson.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9feaec6-7dc6-42c4-a445-b942783600d5/chetan_bhagat_books_free_downloa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2943f905-77e6-4fb8-8111-47d3baa6fd45/vuwajifuzanipinol.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/47965130789.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/square_of_numbers_from_1_to_50.pdfIn PDF document text
  • https://s3.amazonaws.com/xumakomowi/tatalulitox.pdfIn PDF document text
  • https://s3.amazonaws.com/mokuwanibof/52329670239.pdfIn PDF document text
  • https://s3.amazonaws.com/bejenosugede/31142785483.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_01_sfnt_off0000951c.bin)

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