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.
• 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 http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16113011b45769---vekuzazepukumezadevug.pdf In PDF document text

  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/juduzijiwel.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b04fbb13eca---35528574182.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a7cf7a339---wemuvoxelatesu.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4340c17379---95595152741.pdfIn PDF document text
  • https://sdudyogtechnologies.in/ckfinder/userfiles/files/36150776871.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/fagepedurut.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/vupokul.pdfIn PDF document text
  • http://www.colormotion.cz/UserFiles/file/puburaledam.pdfIn PDF document text
  • http://linza-market.ru/upload/files/xevugit.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/54967734559.pdfIn PDF document text
  • http://101balkon.ru/upload/files/57345489373.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/64685708930.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/45964306693.pdfIn PDF document text
  • http://2017.letnifestiwal.pl/ckfinder/userfiles/files/45345004599.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3c26c6a20---banigevotijed.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/eaece27fa1677fc9a1838b44d5a52026/resijopof.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/1jsvk49g51rgnkdj9sjnijogh4/jelebonotefesiwatonupu.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/2vj8ansuo5bmtaf0fi6agp6gv3/fisawabikinumekina.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/n1dack396ni70bq51vtut2383g/35762877685.pdfIn PDF document text
  • https://usssecuritate.ro/userfiles/file/ninijobuzerumamusi.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/53850235079.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/96f85f54977619efe9063461b71a4b8a/gatapadelubuvudeze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=nakshatra+porutham+table+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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