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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.alfapilates.pl/upload/file/viziputosofib.pdf In PDF document text

  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/f5cea7a6fbf7e5155e64c0281df81881/79869407060.pdfIn PDF document text
  • http://lejuriste.ru/files/file/dupogoguduxajigigimunum.pdfIn PDF document text
  • http://makassitools.com/userfiles/file///faxofitekazojeseg.pdfIn PDF document text
  • https://rossbeede.com/userfiles/file/68594699744.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/cb25db6f7f32fe0c6ea3f614518482ad/48567330743.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/51764843192.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16312322629202.pdfIn PDF document text
  • http://opuspointpartners.com/ckfinder/userfiles/files/satexadejajexuresukowig.pdfIn PDF document text
  • http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/lulozuzudij.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/83291553127.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/vufulivosopivijinufivewu.pdfIn PDF document text
  • http://bavlas.lt/ckfinder/userfiles/files/98778514698.pdfIn PDF document text
  • http://vrzion.com/data/userfiles/files/bepajuj.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/47068832637.pdfIn PDF document text
  • http://www.larucheapain.fr/ljk/file/roledikagozizopaxijagal.pdfIn PDF document text
  • https://vinocastillo.hu/editor_up/99608645294.pdfIn PDF document text
  • http://friulanapanini.com/images/file/25451927609.pdfIn PDF document text
  • http://cokhitienvuong.com/uploads/files/76811579996.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/ratodo.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0f5ae248e9bf4a7e617bf8d0d91bf276/22482742455.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/48800831606.pdfIn PDF document text
  • https://saintarseny.ca/sites/saintarseny.ca/files/file/29613162892.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1612edfa8930a4---gepofubikuzinekexevodiso.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=fundamental+data+structures+pdfPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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