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/pify?keyword=death+shooter+3d+mod+apk+game+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387586/normal_5f900401f0789.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379856/normal_5f8c1015ea831.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385038/normal_5f8e7ea1cb16f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380674/normal_5f90893085bf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365594/normal_5f89180563bb6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f870f4adbbcb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371025/normal_5f8a041044981.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370280/normal_5f89dcca3803c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366048/normal_5f86f8823a286.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/january_2020_calendar_printable.pdfIn PDF document text
  • https://s3.amazonaws.com/dukajevo/42488710497.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/apgar_score_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/78402252183.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/bpsc_question_bank_in_english.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/tally_learning_book_in_hindi_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/2587/9199/files/galaxy_j2_pure_frp_bypass.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7882/1043/files/optimal_control_naidu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9366/4953/files/my_kinda_party_tab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1188/9573/files/8th_anniversary_gift_traditional_and_modern.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/8414/5574/files/maruzaraxefij.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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