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=message+in+a+bottle+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378619/normal_5f95f4dfdee44.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372355/normal_5f89f1241362d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383805/normal_5f8d90f31b939.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383577/normal_5f8f4cb838b2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370268/normal_5f8b0ab4df325.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366401/normal_5f8f2ce684d25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f96d19b2f012.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006cc4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006cc4.bin)
  • https://s3.amazonaws.com/nowokil/bharat_forge_annual_report_2016-_17.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxuledo/babuvipipufu.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/51090863638.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5025/3984/files/71872349873.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2383/4520/files/lenovo_y50-70_4k_specs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2860/9186/files/m4a_to_mp3_converter_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5727/7847/files/organic_chemistry_francis_carey_and_robert_giuliano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1055/5545/files/zigemuduniwugitip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6310/7480/files/9th_grade_english_reading_comprehension_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8276/6254/files/voice_notebook_pro_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6898/3969/files/98670633164.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/4255/4015/files/77065503133.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/3477674332.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7597/0236/files/25941458553.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9740/7126/files/nba_2k18_generator_key.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_off00006cc4.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a4aa.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a4aa.bin)

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