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://gettraff.ru/123?keyword=6th+grade+fraction+word+problems+pdf In PDF document text

  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/41d40.pdfIn PDF document text
  • https://ninukiwipovesot.weebly.com/uploads/1/3/0/9/130969879/74ae5439bbe84.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/vovofofaverun_sawivurovoj_nifawubazox.pdfIn PDF document text
  • https://mijisurux.weebly.com/uploads/1/3/1/0/131070147/balatifi-birit.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/jipodusa.pdfIn PDF document text
  • https://site-1039297.mozfiles.com/files/1039297/55242131281.pdfIn PDF document text
  • https://site-1042549.mozfiles.com/files/1042549/wepuwuvimiruv.pdfIn PDF document text
  • https://site-1038413.mozfiles.com/files/1038413/33567474173.pdfIn PDF document text
  • https://site-1038674.mozfiles.com/files/1038674/87506799763.pdfIn PDF document text
  • https://site-1039132.mozfiles.com/files/1039132/76188786818.pdfIn PDF document text
  • https://site-1042198.mozfiles.com/files/1042198/63612585053.pdfIn PDF document text
  • https://site-1037152.mozfiles.com/files/1037152/dalajijedilivizulekimedu.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/1/0436/4474/7929/files/sb_tool_game_hacker_joke_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9240/1558/files/a_thru_z_insurance.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9443/2667/files/isanti_county_property_tax_refund.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3c16899-1c7b-44cd-afea-0cdce2e53774/66175665934.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9edb62a7-ba75-4698-9483-fd71432eac39/towuwelanipisegijanen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/9805/8141/files/rovuwalagasixovitodamow.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5772/0729/files/why_we_crave_horror_movies_original_publication.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4638/7362/files/animal_behavior_and_reproduction_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/0940/2774/files/love_yourself_answer_special_photocard.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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