Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ttraff.link/pify?keyword=ocr+pdf+editor+download In PDF document text

  • https://lupilizeranal.weebly.com/uploads/1/3/4/4/134460298/4290384.pdfIn PDF document text
  • https://bososafevibusup.weebly.com/uploads/1/3/4/0/134041518/rupewizidap.pdfIn PDF document text
  • https://xulavuxedipi.weebly.com/uploads/1/3/4/0/134017657/03187f374d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383917/normal_5f926f7797ed9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384299/normal_5f959dc9c10be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372681/normal_5f8b2e3521d7c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377109/normal_5f93b5407e41a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374533/normal_5f8d4cdcc904e.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/wewebunovemerifabo.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/jogowezokuvaxu.pdfIn PDF document text
  • https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/2381922.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071ba.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071ba.bin)
  • https://s3.amazonaws.com/kavitokolezub/tajole.pdfIn PDF document text
  • https://s3.amazonaws.com/vukumesoj/3489988979.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/edema_pulmonar_cardiogenico.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8036e84b-7feb-47db-8166-bb39c6dad4c8/9187076902.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09a20ef3-b455-4ecc-923f-fd797ad163cf/49424112681.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0870f3b5-2c02-41a4-a24e-23c478f9b38b/63336204618.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e71f9d6-5cd8-495a-86be-11337dba619d/28321393667.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5ff3174-4fa8-4982-95de-888fa125bd48/93669866455.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2035/6254/files/55826074066.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9845/4693/files/msrtc_recruitment_2020-19.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_off000071ba.bin)

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