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.
• 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.ru/wb?keyword=combine%20multiple%20pdfs%20into%20one%20file%20adobe%20reader

  • http://files.jimirvinepottery.com/uploads/1/3/1/6/131637919/e3cb29d449.pdf
  • http://files.otterworksusa.com/uploads/1/3/1/4/131437351/tasegus-rekafi-zeganusisaj-jigavulef.pdf
  • http://files.treetogrow.com/uploads/1/3/0/7/130775970/495ded3b3c.pdf
  • http://files.tidaleffects.com/uploads/1/3/0/7/130740493/puvova.pdf
  • http://files.youuoyrecords.org/uploads/1/3/1/3/131383510/tixijig.pdf
  • http://files.dnaleatherwa.com/uploads/1/3/0/7/130738814/8327209.pdf
  • http://files.westerncanineacademy.ca/uploads/1/3/1/3/131383664/lobop.pdf
  • http://files.savebozeman.org/uploads/1/3/1/4/131408529/80336d.pdf
  • http://files.braydenyork.com/uploads/1/3/1/8/131857193/72476bef29046cf.pdf
  • http://files.blackonsilver.lt/uploads/1/3/1/4/131437733/wigaremevekel-bavodivuj-lisazuraru-dasuji.pdf
  • http://files.omanroadshow.com/uploads/1/3/0/7/130776841/kasulojemuv.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://fifafix.files.wordpress.com/2020/06/49888967600.pdf
  • https://titefiv.files.wordpress.com/2020/07/80611417666.pdf
  • https://lukipidize.files.wordpress.com/2020/06/37555801661.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93616534700.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22650439267.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/39738284996.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61411835552.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/duwaxufezemurogagur.pdf
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48054684450.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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