Malicious PDF — malware analysis report

Heuristics 11

• 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.
• 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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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
• 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 https://vopipejaxifusi.weebly.com/uploads/1/4/1/2/141259081/buxor_sadazuzoxupij_rajid.pdf In PDF document text

  • http://cameralehiep.com/hinhanh_fckeditor/file/bapugenagiv.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202202192359089733.pdfIn PDF document text
  • https://libirobu.weebly.com/uploads/1/3/5/3/135336219/2c7f9698.pdfIn PDF document text
  • https://jepuderakemuso.weebly.com/uploads/1/3/4/6/134666912/2789604.pdfIn PDF document text
  • https://gekimirit.weebly.com/uploads/1/3/4/7/134700474/be793441d4a.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622ed373023ce---82553105311.pdfIn PDF document text
  • http://konsultacjenaukowe.eu/Upload/file/86981712054.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/e49731ecc43592170c2162fb9ccfae26/25293418916.pdfIn PDF document text
  • https://tdh-europe.org/files/files/lefusa.pdfIn PDF document text
  • http://kleinschadenexperte.com/userfiles/file/tizaze.pdfIn PDF document text
  • https://wopuwidutava.weebly.com/uploads/1/3/5/3/135322166/693e997aece.pdfIn PDF document text
  • https://nubesojobe.weebly.com/uploads/1/3/1/3/131398221/525011.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/28945ab932099b36836a8ca195cf5e55/87923175412.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/zebaketefizom.pdfIn PDF document text
  • https://milsagliksen.org/upload/ckfinder/files/zevosunumevigaripupex.pdfIn PDF document text
  • https://dovomarolod.weebly.com/uploads/1/3/0/9/130969455/faxevamagasiwofuxe.pdfIn PDF document text
  • http://debeight.net/UserFiles/File/vusoduduboneju.pdfIn PDF document text
  • https://lokazemi.weebly.com/uploads/1/4/1/2/141258771/bc421a414b9ccb5.pdfIn PDF document text
  • https://nagagixibedixu.weebly.com/uploads/1/3/1/6/131606435/c86936fa8.pdfIn PDF document text
  • https://jasujidavoja.weebly.com/uploads/1/3/4/7/134770870/ef6c7f.pdfIn PDF document text
  • http://cmoxgermany.com/upimages/file/botivizoni.pdfIn PDF document text
  • https://zitakutuseg.weebly.com/uploads/1/3/5/9/135994262/93637438.pdfIn PDF document text
  • https://fitinunajixir.weebly.com/uploads/1/3/1/6/131637477/mutakuj.pdfIn PDF document text
  • https://colod.co.za/YmrXLWy8?keyword=pe%20exam%20california%20datesPDF link annotation
  • 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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000d51a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d51a.bin)

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