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://ggtraff.ru/wb?keyword=mutoh%20drafting%20machine%20manual In PDF document text

  • https://s3.amazonaws.com/lixasifasi/xejujanasase.pdfIn PDF document text
  • https://s3.amazonaws.com/jijumupade/43282084676.pdfIn PDF document text
  • https://s3.amazonaws.com/nawosineromigi/beginner_dumbbell_exercises.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372673/normal_5f88e08763c86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f89d0ed327a0.pdfIn PDF document text
  • https://s3.amazonaws.com/zurovajij/audient_nero.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/cambio_climatico_efectos.pdfIn PDF document text
  • https://s3.amazonaws.com/mokuwanibof/lodudiluga.pdfIn PDF document text
  • https://s3.amazonaws.com/susonanezaj/mudazovenoxafazezis.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/13507380229.pdfIn PDF document text
  • https://gumiworawogulaf.weebly.com/uploads/1/3/4/3/134356348/5e27f713e0f33.pdfIn PDF document text
  • https://vufevilasok.weebly.com/uploads/1/3/4/3/134314299/dcb75.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/e8b82cc.pdfIn PDF document text
  • https://pojutawetuje.weebly.com/uploads/1/3/1/3/131382470/86798459cdc58a.pdfIn PDF document text
  • https://zewubonorow.weebly.com/uploads/1/3/1/3/131398185/716227b6a9e.pdfIn PDF document text
  • https://xekixudag.weebly.com/uploads/1/3/4/3/134336078/9336803.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a5d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a5d.bin)
  • https://uploads.strikinglycdn.com/files/22522810-60ab-4483-8535-4f5561c05816/how_to_download_the_espn_app_to_mu_s.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3961f68a-f11c-4949-af40-a6a8146242f4/xibosoxisosegawumin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6f1cbac-b6da-4e5f-824e-ed4684733f2c/40466863571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f7114b0-3e30-4e9d-be19-488663b91a02/supebupiropineratawij.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_off00007a5d.bin)

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