Malicious PDF — malware analysis report

Heuristics 7

• 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 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 https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609272da8193b---bomanudizib.pdf In PDF document text

  • http://droprint.my/home/ququ4923/public_html/userfiles/file/penarijonotuditupeg.pdfIn PDF document text
  • http://cobansut.com/userfiles/file/90842309057.pdfIn PDF document text
  • https://zhbiotech.com/CKEdit/upload/files/84749424014.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/fekesi.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b777d0a6d---tutakexav.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/jsv3cjv1hfoa8j1dev2tn3u3c2/gipudojuvuge.pdfIn PDF document text
  • http://www.asap-recruitment.net/upload/file/8353401005.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ulhb45mmuk8stoumgfotgmvaer/godolorivapofa.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/ce577a6941ec026e0eb3b56b30939604/tamukibojo.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/11474258533.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/d15b1fca551672b9662db2528eaf33a3/32251171355.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/59775296644.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea5ffacaa2---51441582334.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/wekibado.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/514ce357febef3888e511d1476277a31/12400951737.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/larosise.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/e71ugjdc61bikap9665qo88gb1/13216301030.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b29cc28b3cb---72602718965.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/65686624065.pdfIn PDF document text
  • http://inezorviskids.com/clients/37546/File/tigavimibin.pdfIn PDF document text
  • https://jakspravnenapsa.cz/userfiles/file/boxubegib.pdfIn PDF document text
  • https://jaiminsales.com/ckfinder/userfiles/files/79195511418.pdfIn PDF document text
  • https://www.sistemkabin.com/ckfinder/userfiles/files/12344698799.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/47443259058.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=steroid+shot+in+buttocks+for+allergiesPDF 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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