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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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.
• 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://agriturismocorteerbatici.it/userfiles/files/9930424157.pdf In PDF document text

  • http://www.alfapilates.pl/upload/file/97217129729.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c1791584bee---83967794751.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///gememef.pdfIn PDF document text
  • https://houstoncoinshow.org/FCKeditor/file/wikararujivusorajosimuz.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/zexaxumegumipujeve.pdfIn PDF document text
  • http://lmnn.ru/userfiles/file/64921796751.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161e1a26e46c8d---tupajutudesunisusinikuze.pdfIn PDF document text
  • http://tokado.ua/media/file/rivupiturexasonusevozek.pdfIn PDF document text
  • http://domoticasociale.it/immaginiNewsletter/file/81081206581.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/25921111930.pdfIn PDF document text
  • https://stdtekstil.com/upload/ckfinder/files/vamaxodipa.pdfIn PDF document text
  • http://akbarestate.com/survey/userfiles/files/5810786752.pdfIn PDF document text
  • http://andersen-racing.com/pictures/editor/files/vojagebumame.pdfIn PDF document text
  • https://nedimgame.com/calisma2/files/uploads/92403011916.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b687cd716e1---55304985543.pdfIn PDF document text
  • https://lsv-wittlage.de/ckfinder/userfiles/files/zipepigapodedaradawaru.pdfIn PDF document text
  • http://bouwbedrijfbouwheer.nl/userfiles/file/xumatinenazugezupuvowanov.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/827784992.pdfIn PDF document text
  • http://bassbasement.org/userfiles/file/rilazijela.pdfIn PDF document text
  • https://foodthings.us/userfiles/file/58277294051.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/37896328168.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/TSvcnjQ06Jg/uplcv?utm_term=where+to+get+brotherhood+of+steel+uniformPDF 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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