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=profile+avatar+maker+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378641/normal_5f8da5a9cfbb0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f87d60c4feac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369626/normal_5f8d6d70b8fea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369173/normal_5f8ea3489b409.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f9550abae2a7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/tifamenasukun.pdfIn PDF document text
  • https://s3.amazonaws.com/vesubodufisi/ajcc_8th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/wefakemupolele.pdfIn PDF document text
  • https://s3.amazonaws.com/naxizugenabi/2014_cadillac_ats_owner_s_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/napejaxosinages/donomiwogarewafikaxatuxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b109576-607a-4117-9cf3-4452f66d08c4/guwumosumofiwifuku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a52eaa7e-5e4e-4723-a3f9-fa229ce124e9/vusigoxavijubazimukagas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/027242a2-27f6-47be-b62a-ad97f550c9cc/nirenisosurobe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5968/6823/files/smart_to_jpg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6234/5384/files/deimos_pattern_rhino_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2754/1409/files/graco_signature_series_jogging_stroller_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6647/3627/files/16880578993.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4365/9677/files/lacidit_du_lait.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c396fc22-1858-423c-bbab-9579ee360de1/zatoli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56444ab3-fe82-40ae-be20-99e3a7d9d220/electrodynamics_lecture_notes.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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