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://cctraff.ru/aws?keyword=causas+de+acidosis+metabolica+hipercloremica+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374956/normal_5f923dc92eb69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383928/normal_5f8ccb917af16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f87bae85ee97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377128/normal_5f8d60ff4e4ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388046/normal_5f8fcd6d26321.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367950/normal_5f8f76f94556c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378834/normal_5f9078debecab.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In extracted file (font_00_sfnt_off00007857.bin)
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000082a8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000082a8.bin)
  • https://s3.amazonaws.com/leguvefu/salisekoxufibamagise.pdfIn PDF document text
  • https://s3.amazonaws.com/jasadavebaga/zimoxoxasefufifu.pdfIn PDF document text
  • https://s3.amazonaws.com/robumuduluwise/xupabajekijoz.pdfIn PDF document text
  • https://s3.amazonaws.com/pusolefosex/nitutogigusokivur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b3a7473-c523-4cc3-a82c-4fb2aa7760b3/.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8f974585-fd7e-46e8-8164-866765f8fa83/begir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00b1282b-f04b-4908-8bf1-667898901e9a/piwadiwitinolimujijofoti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/066512c0-2948-4b5e-afe4-cd63eb5088bf/kuzafapibinuduv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cab1345a-8089-45d3-a8c1-3cbe25a4ca39/53647489245.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ef8ab8b-71d5-468f-a7ef-aea7613f4354/11229387478.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d029848-2fd7-4c14-88e3-5805f80879a7/fapegaxojokubafufutu.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/object_relative_clauses_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/lavafeket.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://dejavu.sourceforge.netIn extracted file (stream_007_off0000bbc0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_007_off0000bbc0.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off000082a8.bin)

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