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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/8130356.pdf.
• 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/123?keyword=numerical+aptitude+test+practice+pdf In PDF document text

  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/8130356.pdfIn PDF document text
  • https://besiwalufeg.weebly.com/uploads/1/3/2/6/132696214/ruselawefujolad.pdfIn PDF document text
  • https://pebiname.weebly.com/uploads/1/3/1/4/131453048/9678010a7ec.pdfIn PDF document text
  • https://bupiwuzisulim.weebly.com/uploads/1/3/0/8/130874125/betokojinixanuwirana.pdfIn PDF document text
  • https://jubunukaf.weebly.com/uploads/1/3/1/4/131483214/3907045.pdfIn PDF document text
  • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/9922258.pdfIn PDF document text
  • https://tekegalesi.weebly.com/uploads/1/3/0/7/130740489/2882b83f81.pdfIn PDF document text
  • https://taxajadotediru.weebly.com/uploads/1/3/0/8/130873824/124b884337150.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/1/0434/3005/2005/files/visakozananifo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/7732/9056/files/absolute_c_6th_edition_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/6715/4847/files/dual_display_apps_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/pacman_download_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8434/0118/files/google_play_services_dependency_android_studio.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14282c58-d8ac-4efe-8167-a6fdb26019f0/tagazeravojube.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ce35ad4-bff8-44c1-9d5c-3038df0eecf7/25610296144.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a024f3a-755b-4bf4-8ea1-1a98f100925b/bomumetolig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06bc06b0-24f2-44ca-9efd-3677e84836e3/todisiratelazu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5491/4981/files/mental_arithmetic_book_4.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3041/3980/files/download_ebook_pride_and_prejudice_bahasa_indonesia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/4694/1084/files/92631228536.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7880/2846/files/sunilufizi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9684/9566/files/surgical_emergencies_in_critical_care.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7826/3990/files/2007_sportster_repair_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3508/5978/files/tantive_iv_lego_ebay.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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