Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Invisible PDF links to CAPTCHA-themed web lure high PDF_CAPTCHA_LINK_LURE
  PDF contains invisible clickable link annotations that point to a CAPTCHA/capcha-themed web path. This is a common phishing and ClickFix-style routing pattern: the PDF itself is inert, while the linked page performs the credential prompt or fake verification.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://ttraff.cc/123?keyword=captcha+auto+solver+android In 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/db4e0cf8-94d6-4399-93fc-3362860e8d57/regasarowog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8daea9d-06d2-4802-8464-26c744c3f3bc/momari.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32813ed9-f8d2-4c3c-9470-a027c9ecc550/vusareguxiluxotopubirivoz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73c4a9f5-57b7-4f03-9122-83048f2974d6/4747489622.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/159fa90c-5ec6-4c6a-86e0-d79cb3d9edc6/tufileviwawokagizazurum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0197/0340/files/vifadopisogibidobarivasuw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/doledavuxeka.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1049/0022/files/tapone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3008/8342/files/99362493251.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7750/1079/files/xorutuxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29c7a7da-9d23-4eeb-b35a-614d3155de96/nuzevidelafixo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b347cda-0f93-40d2-a0e5-67fc18484a5d/spartan_fit_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf26c550-b98a-451f-9e16-8de5a919a8b0/14560831020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5e1bf69-c7a8-4125-b401-2bd824168546/5865391623.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71a6212d-0d3a-4c1c-9f60-4ff65971e815/60869827415.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a553c88-507f-4846-b898-c8435d7b8e98/propagacin_de_plantas_hartmann_y_ke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9911ca3c-8792-4cb0-9805-4574cbd5195a/59712494276.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10082a2c-67f2-43ef-97cf-97ec4ca2ca23/7751950970.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6dbd135-19e0-4ae0-b94a-a3ef047a8db3/24226478005.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4a5429d-7fd9-4d27-a90e-d4e4ba511cb1/juremulusukimu.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/preposition_of_place_exercise_with_answer.pdfIn PDF document text
  • https://s3.amazonaws.com/pazovugal/bedojuxisodepamenezug.pdfIn PDF document text
  • https://s3.amazonaws.com/zakunafu/wasopifibol.pdfIn PDF document text
  • https://s3.amazonaws.com/sulasatevirexo/18343367224.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/types_of_endorsement_of_cheque.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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