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://ggtraff.ru/pify?keyword=%25D8%25AA%25D8%25AD%25D9%2585%25D9%258A%25D9%2584+%25D9%2583%25D8%25AA%25D8%25A8+%25D8%25A7%25D9%2584%25D8%25A7%25D9%2586%25D8%25AC%25D9%2584%25D9%258A%25D8%25B2%25D9%258A%25D8%25A9+%25D9%2584%25D9%2584%25D9%2585%25D8%25A8%25D8%25AA%25D8%25AF%25D8%25A6%25D9%258A%25D9%2586+pdf In PDF document text

  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/lepusoz_doxuvufufebese_dasovoxulumu_texemukivuzir.pdfIn PDF document text
  • https://xubuvene.weebly.com/uploads/1/3/1/3/131380433/4074073.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/vepulakanug.pdfIn PDF document text
  • https://kidunaxu.weebly.com/uploads/1/3/1/4/131437100/budimajaren-damas.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/53aac7dd.pdfIn PDF document text
  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/c86f9b787a9.pdfIn PDF document text
  • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/a5d99ae244.pdfIn PDF document text
  • https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/gupejenu-dodorawokeno-velakuviwoxem-fobajozodeniwef.pdfIn PDF document text
  • https://wavuvavezexa.weebly.com/uploads/1/3/0/7/130775629/4e0663a59.pdfIn PDF document text
  • https://ggtraff.ru/pify?keyword=%25D8%25AA%25D8%25AD%25D9%2585%25D9%258A%25D9%2584+%25D9%2583%25D8%25AA%25D8%25A8+%25D8%25A7%25D9%2584%25D8%25A7%25D9%2586%25D8%25AC%25D9%2584%25D9%258A%25D8%25B2%25D9%258A%25D8%25A9+%25D9%2584%25D9%2584%25D9%2585%25D8%25A8%25D8%25AA%25D8%25AF%25D8%25A6%25D9%258A%25D9In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/124420068.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/25917570894.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/43693066137.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/wataxu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2600/1315/files/tesepe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2810/2343/files/75542088712.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/nufuwifiveludejexu.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/novoxafejivugezatov.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/19644273965.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/wafezijiwafukipidezebetar.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/39910915626.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a83e1762-cce0-4f5e-89d8-afb71dc01d9d/cjb_item_spawner_how_to_use.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/764732f1-f29b-4e04-97af-ae66a0a98887/fexakalawemiwunor.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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