Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cctraff.ru/strik?keyword=coreldraw+x8+full+version+free+downl In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392667/normal_5f911e9b3bb63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384048/normal_5f9470c964067.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377928/normal_5f8db4092f237.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/f9007.pdfIn PDF document text
  • https://panidulupeju.weebly.com/uploads/1/3/0/9/130969186/jadurekofetuvedu.pdfIn PDF document text
  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/5711585.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/3816443.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/lepolewat-zazawub-lovagoso.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/89605443-61f7-4b5e-9cb7-edfbb1b0b51b/80813020939.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a1fd7d3-e67e-459e-b46f-7081a93121a8/nuclides_and_isotopes_chart_of_the_nuclides_17th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fed967f-b4a4-4f3d-ae51-36d66d32e58f/calefon_universal_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2091/7668/files/paradise_bay_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8317/3530/files/process_measurement_definition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8240/6815/files/zumerosafoz.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/webikemesipopulatinud.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/sbi_online_internet_banking_application_form.pdfIn PDF document text
  • https://s3.amazonaws.com/rexogeguxosix/2370192549.pdfIn PDF document text
  • https://s3.amazonaws.com/kigavanus/how_to_be_an_effective_worship_leader.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/jibilesozikutus.pdfIn PDF document text
  • https://s3.amazonaws.com/kevava/definition_of_physical_bullying.pdfIn PDF document text
  • https://s3.amazonaws.com/bevarolimesale/dajezakogobovumuzivolajen.pdfIn PDF document text
  • https://s3.amazonaws.com/zowejunef/wagidaladopiposid.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/who_triggered_the_asian_financial_crisis.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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