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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://fozafilamo.weebly.com/uploads/1/3/4/3/134314768/656392.pdf.
• 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://ttraff.link/123?keyword=rousseau+%25C3%25A9mile+ou+de+l%2527%25C3%25A9ducation+pdf In PDF document text

  • https://s3.amazonaws.com/sugaguxagu/indoor_air_pollution_in_india.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/lesion_de_hill_sachs_y_bankart.pdfIn PDF document text
  • https://s3.amazonaws.com/jovekus/viduwujonopiv.pdfIn PDF document text
  • https://s3.amazonaws.com/fefurorobumi/autocad_2017_course.pdfIn PDF document text
  • https://s3.amazonaws.com/punurum/libreoffice_open.pdfIn PDF document text
  • https://fozafilamo.weebly.com/uploads/1/3/4/3/134314768/656392.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/2f710920.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373987/normal_5f89adc12e3bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387931/normal_5f8d8c8352f05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f87138d849e0.pdfIn PDF document text
  • https://mabanopovofed.weebly.com/uploads/1/3/1/4/131453130/6624805.pdfIn PDF document text
  • https://takijotirodone.weebly.com/uploads/1/3/1/6/131637658/nazuvo-wuded-dukizemitepibes.pdfIn PDF document text
  • https://valoxapemep.weebly.com/uploads/1/3/4/3/134305175/gurusatokoga.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007b93.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007b93.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b541.bin)
  • https://uploads.strikinglycdn.com/files/dec3b2f7-b367-4c98-90f2-e6dfee2fcde1/45677532976.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c56af778-31a9-4afc-924e-63368ccaa56a/mixoj.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_off00007b93.bin)

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