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://cctraff.ru/123?keyword=monkey+go+happy+marathon+3+unblocked In PDF document text

  • https://xemivigezeb.weebly.com/uploads/1/3/4/4/134481563/nonageripin-leduvobipeza-xafizurisop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408174/normal_5f98add2bc718.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f89772e0383e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393363/normal_5f967517dc42c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381976/normal_5f8fa161088e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381737/normal_5f8c45c92daee.pdfIn PDF document text
  • https://tedomidile.weebly.com/uploads/1/3/2/7/132712102/26f1cf73662a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366632/normal_5f96f316d5ee0.pdfIn PDF document text
  • https://xumusiroti.weebly.com/uploads/1/3/4/3/134321309/kukosazorosemigedosi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391642/normal_5f8f83d4977cc.pdfIn PDF document text
  • https://xufuluzigi.weebly.com/uploads/1/3/4/2/134266078/5763736.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000056ad.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000056ad.bin)
  • https://s3.amazonaws.com/jukoxisojow/back_stretches_lower_back.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/dojawaxemitofolubasobada.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/liremisoniritanamav.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/remove_watermark_from_adobe_pro.pdfIn PDF document text
  • https://s3.amazonaws.com/julaxel/lisesuvidukig.pdfIn PDF document text
  • https://s3.amazonaws.com/foneniz/dafefenexado.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/essential_idioms_in_english_advanced.pdfIn PDF document text
  • https://s3.amazonaws.com/jipowumat/average_aptitude_formulas.pdfIn PDF document text
  • https://s3.amazonaws.com/pazovugal/92297860011.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/46608283807.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 extracted file (font_00_sfnt_off000056ad.bin)

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