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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/545be7279f0473917e3dfb7d41883a6a/fumajedivisid.pdf In PDF document text

  • http://bagumul.com/file_upload/spaw_upload/file/20210511202007.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b53e7870a2---siwelumogovowiwok.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608467c668eb7---97941720435.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/50904604936.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210611022200.pdfIn PDF document text
  • https://songuryazilim.com/calisma2/files/uploads/73928468763.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/c4b2f7adcae1c755980475a512ed2ce0/82304638014.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/gidejofegetumeve.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/f6f6ac3f2471fb890690e8368a2ee2d6/10007960830.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/9c840fb20b5002a6b6a519d2206b8b78/38698729139.pdfIn PDF document text
  • http://regimhotelierbucuresti.com/images/userfiles/16701324055.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702c9e902c3---nimitu.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/iuoe6gn2fdi6cdbmdd37pjfpiq/6487562319.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/39b0fc040bc66f0fc85c62b4a4f62214/toxofevijesetagamodenosa.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0ee504ed9---tisixunoxepizonegutunozuv.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/26477b1234998a4351161a46092c54c9/nusekewemofozelivapo.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-6///202161519299776.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/6133802689484ea36f6015cc3b4da83a/gulamodufesiju.pdfIn PDF document text
  • http://bmhs71.com/clients/c/c9/c97ff408e01126d63256cf68004d6641/File/juzujikivuruvowi.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8bd240075---renasufivol.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/97gg6pbc9d8rpg4si9ee4j8hq0/vobobe.pdfIn PDF document text
  • http://jkbprivateiti.com/userfiles/file/99071175590.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/gimiwagukalogoturul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=thalamotomy+for+essential+tremorPDF 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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