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
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• External URI info PDF_URI
  PDF contains an external URL action
• 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 http://larts.digital/723480900353e6mj.pdf In PDF document text

  • https://monokuzofo.weebly.com/uploads/1/3/2/7/132741222/cbdb7346a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384650/normal_5feff3362d373.pdfIn PDF document text
  • https://duxujofibedusor.weebly.com/uploads/1/3/4/5/134577283/8571428.pdfIn PDF document text
  • https://tusezewepoxir.weebly.com/uploads/1/3/4/3/134339989/latadisuvuwa-lamutabojupu-niralesubewul.pdfIn PDF document text
  • https://s3.amazonaws.com/gupojakami/password_protect_google_drive_spreadsheet.pdfIn PDF document text
  • https://naluzakagowu.weebly.com/uploads/1/3/1/4/131411806/tonaze-lowutugagapi-fabak-kezadoxu.pdfIn PDF document text
  • https://s3.amazonaws.com/retobifulipo/norajuzedimep.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383470/normal_601111c6ac53d.pdfIn PDF document text
  • https://s3.amazonaws.com/fedufiporara/panuv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446038/normal_601c04ee955ed.pdfIn PDF document text
  • https://s3.amazonaws.com/dudujopixejikug/diviragisewopoxapezeg.pdfIn PDF document text
  • https://s3.amazonaws.com/fulazelof/senuvun.pdfIn PDF document text
  • https://s3.amazonaws.com/fofeguj/25252772847.pdfIn PDF document text
  • https://seumenha.ru/aws?utm_term=bubble+answer+sheet+1-+100+a-+ePDF link annotation
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000f1e3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000f1e3.bin)
  • http://tupaputukexoro.epizy.com/rewinugokogafigulalep.pdfIn PDF document text
  • http://xegefonupekowa.epizy.com/diresamapavibujarisidobam.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
  • https://savannah.gnu.org/projects/freefont/In extracted file (font_00_sfnt_off0000e169.bin)
  • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off0000e169.bin)
  • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off0000e169.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off0000f1e3.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off00012b79.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off00012b79.bin)

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