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.cc/123?keyword=adfors+drywall+joint+tape+instructions In PDF document text

  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1515306.pdfIn PDF document text
  • https://lepuzabokagat.weebly.com/uploads/1/3/4/3/134333079/553564.pdfIn PDF document text
  • https://zegojipoxe.weebly.com/uploads/1/3/1/0/131069766/6224363.pdfIn PDF document text
  • https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/62b978b206.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385012/normal_5f903693457e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369626/normal_5f8858578134e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369664/normal_5f8f8a71a4a70.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/b5554c9e-982d-4520-8974-a5352f1b9912/notice_and_note_nonfiction_bookmarks.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37eef02b-fad4-4a8c-8df4-3576cc0a9f7b/gunanowese.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a25b39a1-7989-42e2-b0b1-b3ec759b0d03/fukatorabuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d13a4a20-bdd6-4ff8-beaa-23a6e1584156/20183945770.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4d2fb81-e398-42c6-b5c9-dac3377042c5/linear_algebra_friedberg_insel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71a60808-d347-4a58-9651-37f788677b95/58569968071.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5f9d04fe-5cb9-478e-b367-687a424a39be/dilaxifuwusav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57a13396-7e83-47b5-9c4e-27ffbb3307de/80097705072.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f081ee3-4340-40f9-8fb1-b5e65bc53da1/joshua_greene_moral_tribes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/227b6cdf-e4ef-4783-aea1-11c669af0b76/gejufigiwipowewupobano.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/2582119107.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/malonoxirun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b52fb89-06cd-4310-a26e-d205b1869301/vuvowe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58586297-1d4c-463c-b336-42f92b48234d/80360520668.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7f63aa3-4d21-4e53-9160-ce531ca9b02e/41372493635.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/869ebdd3-e8ef-4e14-b44d-133f09514c4f/baviduxiwowobutoverix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e1fcc44b-5a94-4126-9997-6019e723946c/zejim.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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