Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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/wb?keyword=friends%20cartoon%20images%20free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4403127/normal_5f9dd324e5a93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450354/normal_5fc20319ce31d.pdfIn PDF document text
  • https://lesofetu.weebly.com/uploads/1/3/1/3/131378838/a72beb146c.pdfIn PDF document text
  • https://jinezosibe.weebly.com/uploads/1/3/4/4/134454760/ce9011b93f4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c14c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c14c.bin)
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd13daead99d6e747b529b/1606226908648/similarities_between_balance_sheet_and_income_statement.pdfIn PDF document text
  • https://s3.amazonaws.com/bivanud/stardew_valley_foraging_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b380486c-3596-4b43-80ae-2a46d5b04e69/paper_mario_bowser_jr.pdfIn PDF document text
  • https://s3.amazonaws.com/lunojol/baba_is_you_steam_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/defipedibe/17708245543.pdfIn PDF document text
  • https://s3.amazonaws.com/zafaronivaj/wupepaxudu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25fda0f0-2e2a-43b5-aa4a-93cbde0c945f/26167028960.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0cbc7c6d964583621a279/t/5fc35ebcf8cdb769c64e50ad/1606639293104/capstone_partners_financial_and_insurance_services_salary.pdfIn PDF document text
  • https://s3.amazonaws.com/tesasubawalozan/vertical_form_of_balance_sheet.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc585215687f52b6ba07531/t/5fc83cf0bbb7f45a92833108/1606958322838/8089484016.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc0ea1fa8793968640865e0/t/5fc386739ee0f32b87c0c586/1606649465567/dazazemowa.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fc27aecc14dfd36fefb8ed8/t/5fc3f808fa04221c719ad6c9/1606678540200/tukuzadepiditebivuzaxiw.pdfIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe28dabc819f1cf4a254a2/1606297819310/lets_learn_japanese_download.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_off0000c14c.bin)

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