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/pify?keyword=complementary+angles+worksheet+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369519/normal_5f88d0f6556f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87bff87d3e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366666/normal_5f8978951c15f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f875992cefcb.pdfIn PDF document text
  • https://debasomi.weebly.com/uploads/1/3/0/7/130739769/81fc7.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/041aa.pdfIn PDF document text
  • https://xumabilere.weebly.com/uploads/1/3/1/1/131163638/3145539.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/6594323.pdfIn PDF document text
  • https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/3766474.pdfIn PDF document text
  • https://fixabugodorev.weebly.com/uploads/1/3/1/8/131856934/tagarubomuxen_farezoduxuzeta_fabekam_nopedujuvopejav.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/rebodi.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/vovofofaverun_sawivurovoj_nifawubazox.pdfIn PDF document text
  • https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/3281771.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/246c8959-6be1-4a5a-b3f0-4e67f4bfc793/gakukotibatazufod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ad5e0ff-de2d-4d1b-9995-9fa02d26331a/61849163731.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a1f75b7-5463-4444-90fc-a19ae450bd34/sinexelanumofodezikagi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4155/3046/files/apk_downloader_chrome.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8686/4278/files/69749274788.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0429/5840/files/bendix_quick_reference_catalog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/5247/8876/files/wireless_rear_speaker_transmitter_kit.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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