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://cctraff.ru/aws?keyword=adobe+pdf+scanner+for+pc In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f86ffb8d0ef7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370273/normal_5f88017756821.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378846/normal_5f8ec06f374c8.pdfIn PDF document text
  • https://jukafubu.weebly.com/uploads/1/3/0/8/130874261/pimagalorakinetavode.pdfIn PDF document text
  • https://tadeganerusoza.weebly.com/uploads/1/3/1/4/131438541/rizuno-metonosag.pdfIn PDF document text
  • https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/7858001.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007351.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007351.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000ab2e.bin)
  • https://s3.amazonaws.com/gurowozenupifi/lukevo.pdfIn PDF document text
  • https://s3.amazonaws.com/mizeteb/pdf_file_reader_download_for_pc.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/91151944244.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/76147077257.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a972b64d-45d8-42ac-83c6-04033d088f9a/44430713581.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4f0dd1f-9e0f-4238-8ed6-c9be5f4cae50/36101021894.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95981711-8d91-4967-a773-775de314b164/rolerebunabuzavagupowi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2122dc31-875e-45ef-897e-9a3ea30b9ef8/cartoon_movie_free_tamil_dubbed.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/24174624217.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/17333078080.pdfIn PDF document text
  • https://s3.amazonaws.com/tizowodifi/sheet_metal_forming_process_and_die_design.pdfIn PDF document text
  • https://s3.amazonaws.com/salade/49888699678.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/random_variables_and_probability_distributions_problems_and_solutions.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/pitupa.pdfIn PDF document text
  • https://s3.amazonaws.com/lakadutof/certificate_template_free_download.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_off00007351.bin)

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