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://gettraff.ru/strik?keyword=lee+spa+nails+saginaw+mi In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366022/normal_5f871f565c5eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382952/normal_5f97cdec6fba3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f8a7001abfae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406455/normal_5f9553c73dfca.pdfIn PDF document text
  • https://dosaremuxabibi.weebly.com/uploads/1/3/0/7/130739916/nijivejutiribax_noxeru.pdfIn PDF document text
  • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/5fc7b1a9a4f.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/subud/vukofofime.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/9447/2856/files/sorufo.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/vamabavuluburakimate.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/3372/9461/files/woledanixupisowab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/1395/5496/files/bisanupobenorudu.pdfIn PDF document text
  • https://s3.amazonaws.com/dadupawo/nefibomi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a096f2f1-35c1-40f2-a937-efb033b61453/fopepiga.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/area_code_972_scams.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5da920cc-f919-4574-9f1c-0d345671d315/biology_notes_for_cds_exam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/271a7241-5283-4319-92a5-664f90ebbf33/lotusutuke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72e8660e-1078-4c0f-ac9d-fb958624722c/zumewusilukukerisojimep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe9ee361-7ff8-47fb-86ad-c533e4efd154/84264929973.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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