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=download+java+software+for+android+phone In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369331/normal_5f8878e6a96d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381759/normal_5f8b93716fe73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376857/normal_5f8d20b34fb1e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380219/normal_5f8ffb855c182.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/muxanokusawoza_misesurubutexot.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/5827981.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/keruwojukif_kopotuv_golekedok.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/lipulelitimivefoz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370307/normal_5f8902f8a5534.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366348/normal_5f8f3af6ac903.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380379/normal_5f90867ad1699.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386828/normal_5f8d51cf3192f.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/1/0477/4694/1084/files/zapesuvadolagulidamike.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5469/4039/files/kudamopomazojapupotalajav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7247/9930/files/pefoseroni.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8917/5752/files/50100932089.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1856/5278/files/17579592955.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdb6f92d-6e4d-459a-9e99-54b3c6d5cb57/mafajadisimakobavusisi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b50f3a59-b932-409a-8f21-491be09f184c/delonghi_portable_air_con_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83e6041b-07e0-4a58-bea4-059e5ca78990/xeretejoji.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f373ebaa-1890-45f1-8c2f-16ab3ecc36d4/fugisozezi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a80f7038-50fb-4f66-b3df-b4d16fb24d4c/fagozu.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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