Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.me/123?keyword=unlocked+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383698/normal_5f918d5679076.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f91c9bfe60f7.pdfIn PDF document text
  • https://rojusonevupa.weebly.com/uploads/1/3/0/8/130814232/2374440.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421207/normal_5f9670c0324bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370063/normal_5f8899012f056.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377380/normal_5f934ea0f101b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366050/normal_5f9b7b72353bb.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/visavikawitavu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372361/normal_5f97e5fe0ebee.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/1/0497/1429/9059/files/cant_anybody_here_play_this_game.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7101dbc4-5b85-4100-ab61-7d4f42d0dc15/73337508212.pdfIn PDF document text
  • https://s3.amazonaws.com/kitakilesa/addison_disease_adalah.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4536/7191/files/self_forgiveness_worksheets_for_adults.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f67f8463-edb4-43c4-b20c-eb4d55e5cb56/amish_view_inn_restaurant.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/815e825f-26ac-40c6-8aa3-b53f3ea69ab0/coraline_full_movie_in_hindi_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c661e6b-c53f-4a2f-92dd-749509e5f673/pudikipujijagulo.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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