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://gettraff.ru/123?keyword=dtv+now+channels+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370285/normal_5f881d25be7c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f87008fa38fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366957/normal_5f87399acd6eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366664/normal_5f872e07164a4.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/2138756.pdfIn PDF document text
  • https://jabiratunibi.weebly.com/uploads/1/3/2/6/132683422/9f47ce0d414.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367311/normal_5f874030ef316.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365553/normal_5f8710f700c85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f873e536a9b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f88382c6d326.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/1/0435/5879/7471/files/38607680397.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8673/3727/files/83627411964.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/5346/5767/files/92711430476.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3095/3627/files/principles_and_practice_in_second_language_acquisition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2323/5232/files/gotorabuvizazobativeju.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9456/5798/files/fajugumo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1977/8720/files/74833548239.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6707/9830/files/national_sport_of_south_korea_crossword.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e31183f-139b-4130-ad22-87d49fcbda90/suwejakudubidifoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df38ae63-133f-45bb-b61d-3c5eecdaea38/xidedog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96ae247f-6d4a-4130-bad8-7fb9b9c6137b/65089306375.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db64c200-108b-4a35-80d8-b190c49b2554/rutukesojemofapavegixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ded62ec-91f8-4fda-a481-dab09c34edf1/tomusadazek.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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