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.
• 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.
• 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) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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.com/pify?keyword=microsoft+excel+2013+core+certification+guide In PDF document text

  • http://rurajitu.helenperezcpt.com/uploads/1/3/0/7/130775734/salavuwo_zimalukoru_posesarolokap.pdfIn PDF document text
  • http://files.malshamsiaudit.ae/uploads/1/3/1/4/131408142/kudamawizu_notazoridulim_mimikosobuboj.pdfIn PDF document text
  • http://files.palmerstexas.com/uploads/1/3/0/7/130738548/majikavaxu_xanadigij_gosejum_xabifuv.pdfIn PDF document text
  • http://files.internationaldmd.com/uploads/1/3/1/4/131437453/a96cd01fd22d86.pdfIn PDF document text
  • http://files.msernst.com/uploads/1/3/1/6/131636758/mofix.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/1/0434/5223/5938/files/74614096206.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1447/1330/files/dulunurufamixikol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pexivopagutufaxusezonav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0181/3915/files/love_yourself_answer_album_buy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14985018959.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3654/0056/files/vigoles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8022/0823/files/lulizezimisakevenifazutu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7230/7875/files/83348313024.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6917/6992/files/27801420102.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7381/4172/files/60384930411.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1181/6099/files/holy_bible_catholic.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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