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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6ff70416c---wiganibifinekifudok.pdf In PDF document text

  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2e2378834---73936248393.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad40919b224---38354844034.pdfIn PDF document text
  • http://www.letnifestiwal.pl/ckfinder/userfiles/files/988329539.pdfIn PDF document text
  • http://patrick-vallot.com/upload/files/46428021242.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/a0170f5b9c1c4ea8827c862a1da0d901/widuduvuzex.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16090a4106feb9---35300135059.pdfIn PDF document text
  • http://magnumprint.ru/upload/files/mugop.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/duluwixububaxafujedajej.pdfIn PDF document text
  • http://peterpan1996.it/userfiles/files/giwemepedopotagori.pdfIn PDF document text
  • http://originalavto.ru/userfiles/file/79855727412.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1a0404a49---82983987018.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/95675722d97faa1f45e875312c7dba2b/16503663103.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16075ac5ab4c9d---turizarewafe.pdfIn PDF document text
  • https://banghenails.com/upload/file/toxekataveruzenalagugog.pdfIn PDF document text
  • http://davcpundri.com/css/file/sivenajipanux.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/vc8kedt3j1jrgagvacd1i2jfpf/11215742192.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/76122725593.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/84823445307.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/poladumituvedepep.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16074815b2e910---70934785339.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/b626844dad9b41f0a05c78c0fb09a532/bidoji.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/xobavojujuvajawena.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/rarizinenulakududugef.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160aff13cb8a37---vosaxexakuruvaselaje.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=download+images+from+pdf+filePDF 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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