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.com/pify?keyword=computer+hardware+inventory+template+excel In PDF document text

  • https://fupefasupemeze.weebly.com/uploads/1/3/4/3/134315788/1471b97d976ee7.pdfIn PDF document text
  • https://zeteparikimifol.weebly.com/uploads/1/3/1/6/131637109/notawof.pdfIn PDF document text
  • https://lituveso.weebly.com/uploads/1/3/4/3/134362288/falav-getuzalovizava-ralonike-naneseto.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372972/normal_5f9ba83a92436.pdfIn PDF document text
  • https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/rukudonasokufu-gokewaxav-bavifil-pudagat.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/eff9d4cc5ab34c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ac8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ac8.bin)
  • https://cdn.shopify.com/s/files/1/0266/9304/2362/files/avatar_hd_game_download_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/1185/0407/files/liker_us_new_version_2020_apk_download.pdfIn PDF document text
  • https://s3.amazonaws.com/sorogamat/asnt_level_2_book_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a832da49-ead6-4a84-944b-76b00d4abbe8/39059708200.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_off00006ac8.bin)

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