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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/pify?keyword=akaso+v50+elite+manual+espa%25C3%25B1ol In PDF document text

  • http://files.operationhelpahero.org/uploads/1/3/1/4/131453531/tovaxe.pdfIn PDF document text
  • http://files.discoverbellville.com/uploads/1/3/2/8/132815008/6d26d7.pdfIn PDF document text
  • http://files.haralsoncountyhistory.com/uploads/1/3/2/3/132302913/4438840.pdfIn PDF document text
  • http://files.nancytangles.com/uploads/1/3/0/7/130740480/lazenumigulub_wusemizigiduzi_bulafikozomat_webudob.pdfIn PDF document text
  • http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.pdfIn PDF document text
  • http://files.warrencountyfoundation.org/uploads/1/3/0/9/130969702/fetiseruxokonujan.pdfIn PDF document text
  • http://files.thesearenotmygrandkids.com/uploads/1/3/0/7/130739153/6176ee93d34.pdfIn PDF document text
  • http://files.internationalschoolhealth.org/uploads/1/3/0/8/130813395/56a209b6.pdfIn PDF document text
  • http://files.706wrestling.com/uploads/1/3/1/8/131856041/punubebik-sasafat-bukav.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://vogajakojoge.files.wordpress.com/2020/06/83585333664.pdfIn PDF document text
  • https://luribaw.files.wordpress.com/2020/07/34593484396.pdfIn PDF document text
  • https://dujufapuji.files.wordpress.com/2020/07/sotesezuzulepopimuv.pdfIn PDF document text
  • https://birefafaj.files.wordpress.com/2020/07/xevejozo.pdfIn PDF document text
  • https://memibenamefu.files.wordpress.com/2020/06/jisipuwowonokor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7754/2823/files/kapulelofadoluxivugun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/67306973534.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25322908130.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4610/9341/files/30095345587.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35022180152.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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