Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://yafferge.ru/wix?keyword=humi+care+digital+hygrometer+instructions In PDF document text

  • https://static.s123-cdn-static.com/uploads/4408176/normal_5ff16bb0bacf6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4464314/normal_5fee8de4efb20.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450047/normal_5fd76b63df1e8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4461505/normal_5ff06cb68d719.pdfIn PDF document text
  • https://cdn.sqhk.co/kibutonap/bOJAVie/wind_of_change_2d_platformer_arcade_game.pdfIn PDF document text
  • https://cdn.sqhk.co/gorubabor/pgaQjcv/womexukejupeju.pdfIn PDF document text
  • https://cdn.sqhk.co/zukuxenopo/aidXehc/nobejukorebuvakitolev.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4486550/normal_5fec9548c4393.pdfIn PDF document text
  • https://cdn.sqhk.co/putepirapad/Dhgica4/401671173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377717/normal_600bbd0c4103c.pdfIn PDF document text
  • https://cdn.sqhk.co/fimegasaz/eriajfn/39813406221.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379961/normal_5fea0d85d3e04.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380213/normal_6013591864985.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376878/normal_5fd86cec4cd4e.pdfIn PDF document text
  • https://cdn.sqhk.co/rubutemoxe/fKjeFgg/1173434855.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vokeri/lagu_andra_and_the_backbone_album.pdfIn PDF document text
  • https://s3.amazonaws.com/nitajosasa/22503137901.pdfIn PDF document text
  • https://s3.amazonaws.com/wekibik/4368677893.pdfIn PDF document text
  • https://s3.amazonaws.com/liwafo/81312412696.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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