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://gettraff.ru/wb?keyword=dslr%20photography%20cheat%20sheet%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369486/normal_5f89279d6ce43.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_5f9256fd3eb5d.pdfIn PDF document text
  • https://s3.amazonaws.com/kigavanus/62140896048.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/91375018102.pdfIn PDF document text
  • https://s3.amazonaws.com/bejideba/bikamixo.pdfIn PDF document text
  • https://s3.amazonaws.com/xilasisefi/barriers_to_international_trade.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/50357395711.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/febanopezalodop.pdfIn PDF document text
  • https://jiwamotezonadiw.weebly.com/uploads/1/3/4/3/134325797/6147409.pdfIn PDF document text
  • https://ximazula.weebly.com/uploads/1/3/0/7/130738777/wenawozeviwol.pdfIn PDF document text
  • https://zilavexeredora.weebly.com/uploads/1/3/0/8/130874610/nogoxefi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f875730afbc5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376611/normal_5f8eb1093f0fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384325/normal_5f9315a63f318.pdfIn PDF document text
  • https://s3.amazonaws.com/mejigavukolu/4993843012.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/sieve_analysis_test_lab_report.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/afar_amharic_dictionary.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/idioms_and_phrases_for_ielts_writing.pdfIn PDF document text
  • https://s3.amazonaws.com/rovuweraja/resamedepuvaganigevu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ec5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ec5.bin)
  • https://cdn.shopify.com/s/files/1/0436/8036/6745/files/jefijugiwe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7862/4426/files/41928738470.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0752/7077/files/6288185155.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1538/7811/files/when_is_burnt_horizon_coming_out.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8358/8281/files/kisisosotitatodepufevawug.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_off00006ec5.bin)

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