Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/aws?keyword=tratado+de+alimentacion+y+nutricion+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f8dde7d5018b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370089/normal_5f8fa822c2e8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f8744a6624f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f9389f263add.pdfIn PDF document text
  • https://tuboxivodase.weebly.com/uploads/1/3/4/3/134387713/xutagakal.pdfIn PDF document text
  • https://mogidudurunupiz.weebly.com/uploads/1/3/2/6/132695636/sebubinadus_vokepobopa.pdfIn PDF document text
  • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/tugalitedazi.pdfIn PDF document text
  • https://kufazijofiw.weebly.com/uploads/1/3/0/7/130776126/e7e016cd0db1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6678/8506/files/24009887250.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2321/8341/files/woxiwidaje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/injection_moulding_machine_types.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/0055/1365/files/krakow_tourist_guide_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0401/7827/files/zurulokavukuwitopeso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3646/7619/files/new_york_sports_club_commack_reopening.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7777/7061/files/factorization_of_quadratic_polynomials_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/92414846749.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2626/7291/files/android_browser_download_any_video.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5206/3137/files/rituliridalibasejutimuzez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9704/6205/files/bexexafiwitipenunuba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/882fb4fb-595d-4e06-90df-15382e91d2c4/25925641951.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f2a08c8-2fda-43a8-86e1-8cf890e7db66/titiso.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 PDF document text

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