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.
• 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.
• 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://yoyep.co.za/YmrXLWy8?keyword=what%20to%20do%20after%20overeating%20at%20night PDF link annotation

  • http://www.mmalappeenranta.com/tiedostot/files/jekusuxodijuduk.pdfIn PDF document text
  • https://silverbirdmarketing.com/pages/images/file/xalev.pdfIn PDF document text
  • https://fanawilixu.weebly.com/uploads/1/3/1/4/131408209/kudozixiz.pdfIn PDF document text
  • http://www.littlebookofjohn.com/kcfinder/upload/files/748434219.pdfIn PDF document text
  • https://pogugabumivo.weebly.com/uploads/1/3/1/3/131381840/4068745.pdfIn PDF document text
  • https://xuzijobozu.weebly.com/uploads/1/3/1/4/131411245/fb874e3070de53.pdfIn PDF document text
  • http://gamecoast.by/uploads/files/vosofajerob.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/162477954b6b77---bojivemutatalox.pdfIn PDF document text
  • https://defi128.com/userfiles/files/xavotokedigovudutupo.pdfIn PDF document text
  • http://chinahk-ip.com/chinahk_ip/html/files/editor/file/depinuwonigeruzujorajuzu.pdfIn PDF document text
  • https://wimopoxidiki.weebly.com/uploads/1/3/5/3/135313965/vugebadararazexow.pdfIn PDF document text
  • https://sabevegujuwo.weebly.com/uploads/1/4/1/2/141250112/971bcaa8.pdfIn PDF document text
  • https://pusemajipi.weebly.com/uploads/1/3/4/4/134471733/5859287.pdfIn PDF document text
  • https://sayurhijau.com/contents/files/dolomazejaguronizuritupef.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/8ff11cb3b10c530b8470f4964fcfa975/28675661025.pdfIn PDF document text
  • https://mipikarekegimo.weebly.com/uploads/1/3/1/6/131606279/zejep-xelopu.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/setibifulisugepoxepix.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161fb83988532c---mekif.pdfIn PDF document text
  • https://ralirepiputup.weebly.com/uploads/1/3/4/8/134852471/rufek-sowopis.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000cd5d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000cd5d.bin)

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