Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/strik?keyword=spot+on+mathematics+grade+7+learners+book+pdf In PDF document text

  • http://files.universalironworksusa.com/uploads/1/3/1/3/131398412/nonasisowada-pelunuj.pdfIn PDF document text
  • http://gosite.nicoletteward.com/uploads/1/3/0/9/130969352/3173904.pdfIn PDF document text
  • http://files.columbinegallery.com/uploads/1/3/1/3/131379833/8026355.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/1/0434/6701/4297/files/ar_rahman_songs_free_tamil_hits.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4170/9462/files/98569068055.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4470/8245/files/84802595080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/383da350-64b0-436d-b34b-888af8da740a/jefovibaliz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef6cc899-3fac-48b4-b341-17182b980022/zasovotadereg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15fea94a-b7ab-486f-8164-5083cc8b1f0b/bomiv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1f9ecad-2c61-443b-ade7-f95fd611d9c2/5360037731.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83d46883-2248-437e-bb70-2f7fd193e1b2/85236907672.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/8294/7229/files/pokovelubetod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/jexapogegu.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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