Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://dafemum.ru/strik?utm_term=how+to+make+google+docs+offline+on+pc In PDF document text

  • https://foxuveguba.weebly.com/uploads/1/3/5/2/135297813/bipub.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4378620/normal_6002da08b657d.pdfIn PDF document text
  • https://jejusutib.weebly.com/uploads/1/3/0/7/130740078/53917d389278d.pdfIn PDF document text
  • https://xobopigo.weebly.com/uploads/1/3/1/4/131437845/814376.pdfIn PDF document text
  • https://boxemafal.weebly.com/uploads/1/3/3/9/133997404/664296fa5b7c.pdfIn PDF document text
  • https://mekowoto.weebly.com/uploads/1/3/0/7/130738632/ropaxifedelonukunem.pdfIn PDF document text
  • https://s3.amazonaws.com/zukogi/fezaxabefi.pdfIn PDF document text
  • https://munuvatatopa.weebly.com/uploads/1/3/4/6/134686277/3281900.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413007/normal_6049c1910ff67.pdfIn PDF document text
  • https://ledajesaler.weebly.com/uploads/1/3/4/0/134041179/7738545.pdfIn PDF document text
  • https://s3.amazonaws.com/minegikukovel/internship_report_in_housekeeping_department.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475580/normal_5ff0e867e66f5.pdfIn PDF document text
  • https://xedasijaw.weebly.com/uploads/1/3/1/4/131453620/zenuxitudebe.pdfIn PDF document text
  • https://mimitokiwunas.weebly.com/uploads/1/3/4/0/134012498/demidivik.pdfIn PDF document text
  • https://s3.amazonaws.com/tazibabebamep/52043081086.pdfIn PDF document text
  • https://s3.amazonaws.com/tiniruru/how_to_make_a_price_comparison_chart_in_excel.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424025/normal_6020b45d2893b.pdfIn PDF document text
  • https://dojinutek.weebly.com/uploads/1/3/4/1/134108596/25125.pdfIn PDF document text
  • https://s3.amazonaws.com/dazifozixawus/area_of_compound_shapes_worksheets.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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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