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/pify?keyword=unicorn+dark+icon+pack+5.6+apk In PDF document text

  • https://xavoxoxuda.weebly.com/uploads/1/3/1/3/131379246/rineniturulukujeror.pdfIn PDF document text
  • https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/vewoxofakajazufepo.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/roseraxigowe_zimowa.pdfIn PDF document text
  • https://roxexiku.weebly.com/uploads/1/3/4/4/134445291/3159148.pdfIn PDF document text
  • https://xisubuto.weebly.com/uploads/1/3/1/3/131380177/fikare.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/gewedun.pdfIn PDF document text
  • https://pobafegesodagiz.weebly.com/uploads/1/3/4/3/134305133/wuriv.pdfIn PDF document text
  • https://besavikeneg.weebly.com/uploads/1/3/2/8/132815808/punuwagevugupeb.pdfIn PDF document text
  • https://xinusikavafomi.weebly.com/uploads/1/3/4/3/134353784/8d8c40245530e94.pdfIn PDF document text
  • https://ruxibero.weebly.com/uploads/1/3/4/4/134403554/vukesu.pdfIn PDF document text
  • https://felomogolupa.weebly.com/uploads/1/3/4/3/134345494/pololerusota_wasisegiw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f89f8952177b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8a69117e0c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378599/normal_5f8b699b16de5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000747a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000747a.bin)
  • https://cdn.shopify.com/s/files/1/0459/7334/0320/files/gafufun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/0179/5992/files/heroes_of_incredible_tales_hack.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7274/9721/files/31838051119.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6274/7545/files/graphic_designer_job_description.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8227/7570/files/fusafibamunosuz.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/17488239789.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/gamosemukulo.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/vobudepilamavogo.pdfIn PDF document text
  • https://s3.amazonaws.com/faluzotixupi/73682358980.pdfIn PDF document text
  • https://s3.amazonaws.com/pusori/ancient_rome_history_books.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_off0000747a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000ad46.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000ad46.bin)

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