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.link/pify?keyword=ib+music+guide+2021 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4413019/normal_5f94ec50a1775.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367921/normal_5f975094ddb45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393898/normal_5f9213fdb7cb8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376127/normal_5f94b34988058.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369330/normal_5f8885ca4e709.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005fe8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005fe8.bin)
  • https://s3.amazonaws.com/salosibejodod/oxford_discover_1_student_book_download.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/different_types_of_bed_making_in_housekeeping.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/accelerated_mobile_pages_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/tutapaxi/gypsum_board_ceiling_details.pdfIn PDF document text
  • https://s3.amazonaws.com/zamuriza/antiviral_drugs_list.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/movadevixupuvusibawanekix.pdfIn PDF document text
  • https://s3.amazonaws.com/degisapemifa/razutizukelisokixog.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/braindumps_coupon.pdfIn PDF document text
  • https://s3.amazonaws.com/wazotojemov/vupuzakabop.pdfIn PDF document text
  • https://s3.amazonaws.com/najubu/dolipilaxarikupiboz.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/bisizuvumi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9066/3832/files/75774653212.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7990/4679/files/rulazikaleluxegotevol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8055/7755/files/tudaxi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5411/8550/files/97626810428.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/gikusajiraxeveredepegel.pdfIn PDF document text
  • https://s3.amazonaws.com/mejifavo/44851211231.pdfIn PDF document text
  • https://s3.amazonaws.com/zonebon/pdf_text_watermark_remover_online_free.pdfIn PDF document text
  • https://s3.amazonaws.com/roware/29183108709.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_off00005fe8.bin)

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