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.
• 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.
• 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://cctraff.ru/strik?keyword=123movies+bohemian+rhapsody In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377112/normal_5f8f71d9012d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380237/normal_5f99dc070cc7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369166/normal_5f892b6bea396.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366987/normal_5f8739b66c985.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393488/normal_5f9694b957798.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005f26.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005f26.bin)
  • https://uploads.strikinglycdn.com/files/fd8eb0ca-7456-43d3-9fba-23dba77c6e8f/torture_the_dummy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7896/2331/files/78559727569.pdfIn PDF document text
  • https://s3.amazonaws.com/xilasisefi/10414108995.pdfIn PDF document text
  • https://s3.amazonaws.com/waxapoz/54350121543.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/70226629265.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/2020_subaru_outback_3.6_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/konenegipogiki.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/89551443082.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a00357b1-2ce9-434c-9419-6ee5153705b2/58176700643.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e521502d-1fa4-479e-b0bf-497e52ae2f25/xebuveboj.pdfIn PDF document text
  • https://s3.amazonaws.com/matogapibelifiv/77254629539.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxime/60609558704.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/8710/6726/files/talafuxejujenexape.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0882/7807/files/malayalam_movie_my_boss_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6191d74-7234-4fff-8745-01ec8dcb28c2/desavufidutepenaweduza.pdfIn PDF document text
  • https://s3.amazonaws.com/gitipelut/september_2019_calendar_malayalam.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_off00005f26.bin)

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