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://fecuq.co.za/YmrXLWy8?keyword=phonics%20assessment%20test%20pdf PDF link annotation

  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/162444597a1c7e---88262542325.pdfIn PDF document text
  • http://www.wiseyoga.nl/kcfinder/upload/files/walelejisatekut.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624515966f64d---97041172285.pdfIn PDF document text
  • https://guwuteruxulen.weebly.com/uploads/1/4/1/5/141506759/gofitunuwesalubar.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/f3d4134940d1e3ba90e0873e16d00a6a/63336253543.pdfIn PDF document text
  • https://jewajufigojoxi.weebly.com/uploads/1/3/1/4/131438211/3287058.pdfIn PDF document text
  • https://branpc.in/ckfinder/userfiles/files/zixoxisasa.pdfIn PDF document text
  • https://www.natursany.com/ckfinder/userfiles/files/15236453218.pdfIn PDF document text
  • https://tijozamuworibop.weebly.com/uploads/1/3/1/6/131607374/1550919.pdfIn PDF document text
  • https://kusajigoma.weebly.com/uploads/1/3/6/0/136036420/lexesijojipukowe.pdfIn PDF document text
  • https://pizojiri.weebly.com/uploads/1/3/4/6/134651663/adb907dd05c4f95.pdfIn PDF document text
  • https://xumomeroruv.weebly.com/uploads/1/3/4/2/134266579/pulumoxaduwaputuwok.pdfIn PDF document text
  • https://tolojosokuriw.weebly.com/uploads/1/3/5/3/135326177/2581470.pdfIn PDF document text
  • https://khogiaydantuonghanquoc.com/images/news/file/17061829767.pdfIn PDF document text
  • https://zirodamabesad.weebly.com/uploads/1/3/0/7/130740068/jajumomefira-fuxome.pdfIn PDF document text
  • https://giwitororozesal.weebly.com/uploads/1/3/4/6/134652081/7084050.pdfIn PDF document text
  • https://labisafedowep.weebly.com/uploads/1/3/4/7/134722654/0943799eb3.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/34352531396.pdfIn PDF document text
  • https://mijonogopo.weebly.com/uploads/1/3/5/3/135327524/xivaxid-sewimotafuvosi-nojamikali-vokupa.pdfIn PDF document text
  • https://numozekede.weebly.com/uploads/1/3/7/5/137505847/802dbd8ed13.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_off0000c032.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c032.bin)

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