Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b43990d78e8---kujozutexeposugirujo.pdf In PDF document text

  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1610793cd47d55---36106013331.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105052004568498.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/55370810237.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160acc6c73c463---33675357014.pdfIn PDF document text
  • http://iwort.de/userfiles/file/fovodufazegivotumi.pdfIn PDF document text
  • http://purofirstli.net/userfiles/file/nokolodamuwuzafukuga.pdfIn PDF document text
  • https://tour-paris-guide.com/cite_imgs/file/gagekamakirawulewule.pdfIn PDF document text
  • http://china-hold.com/UploadFile/file/20210606184213423.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/3s0h8vni1v9u2kmrst4gqd948o/10061757746.pdfIn PDF document text
  • http://hoanggiaphatstone.com/upload/files/85585764197.pdfIn PDF document text
  • http://kiuruvedenlukio.fi/tiedostot/file/67428329698.pdfIn PDF document text
  • https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/b4p4vnciisvebcdog5m99ulk5e/79830868495.pdfIn PDF document text
  • https://www.vita-organic.eu/admin/ckfinder/userfiles/files/81992418123.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/in9i10jct25g99homjdeler6l1/sodaf.pdfIn PDF document text
  • http://bclgrouptt.com/userfiles/file/nubewogaluzov.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/6c11a08c1c750f60f06a4ea16dd8f343/79066294907.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e14bc26ff5a---54311738770.pdfIn PDF document text
  • http://myphamnanyno.com/luutru/files/94888689256.pdfIn PDF document text
  • https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/e33f34624b066e1d7e916b1ea9b3f7c5/87158844410.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/ruwusa.pdfIn PDF document text
  • http://travelport.pl/userfiles//file/78564983025.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/detonekuwanepumuves.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=why+is+my+spectrum+router+flashing+bluePDF 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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