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=ipad+4th+generation+manual+pdf In PDF document text

  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/bidopinijixuni_zupap_zosedasaxenim.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.fontrix.comhttp://www.nhncorp.comIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/henghuili-files2/wordly_wise_3000_book_3_lesson_7.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42593b81-a90b-4c2e-b10f-226d39b8b285/biochemistry_5th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4229efd8-5d9c-4fdc-825f-e289d7202def/60621685765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08a1caa3-7350-4aea-b278-8f20492a46fa/93395892260.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5385/6921/files/gktoday_month_wise.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/great_civilizations_of_ancient_africa.pdfIn PDF document text
  • https://s3.amazonaws.com/fojaxexino/57621270980.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7356ebf4-599b-4b48-9852-24dd5bca7d01/27655712.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2349/7877/files/b_and_v_pronunciation_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1630/8896/files/thinking_putty_bulk.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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