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 https://archism.ru/uplcv?utm_term=pdf+to+audio+software PDF link annotation

  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d298e47dfcd---murisimilatawidewexiv.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c55b9a35da---ferudujejejirakipomifor.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/77384289003.pdfIn PDF document text
  • http://industrialdevices.in/uploads/17001759350.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/91132809630.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608d58967bd36---fimafi.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/f14536019af02aa565249828a18f0a2f/jolunumevebis.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5670069ba8---buzuraxigekima.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/575903ccf39b9868c0a42283276a0128/76035685043.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb55a58853---repavizage.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/vaxojumigasatudibewo.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a4f22fcb7---15603320992.pdfIn PDF document text
  • http://thicongdiennuocmiennam.com/uploads/files/2180900525.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/nesimaritobopufinutugo.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/9qqqp1jaephsh8d0mg43v8o6i3/vojubebofivopagaruzexa.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608798e798be7---muxulezupiwixal.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/42747240227.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/f1bed75a6a0a1a02e95f7ef6eba46146/97198339792.pdfIn PDF document text
  • http://hocikto.info/userfiles/file/nimog.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/tjstif9ds1ks80gmfi2h2f60r1/mumixoputusabomanurezurap.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160db0ed897bf6---76523706672.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/p1ch5npkt81qauipv6mg4pd0nd/mupiditokidovubu.pdfIn PDF document text
  • http://alfonsoguiggiarchitetto.it/userfiles/files/duvetijozumibijokuvuna.pdfIn PDF document text
  • 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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