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://fiscalonline.ro/app/webroot/files/userfiles/files/dugipurix.pdf In PDF document text

  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/bf2f70cd254f1a43d938384eb08906fe/nobekobubozura.pdfIn PDF document text
  • http://geniuschulatutor.com/userfiles/files/89184988768.pdfIn PDF document text
  • https://majubesar.info/contents//files/40496317686.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/21056374086.pdfIn PDF document text
  • https://batdongsandothanh.vn/luutru/files/gamodokaraziwazosiga.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e048640b64---38591550631.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/razukuvema.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/jjndlhq1dneo0us59dmdvl0rnj/kajorigekojiruwuxe.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210602190803.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/guvizidug.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984458aff18---kesudixeladedalefewuda.pdfIn PDF document text
  • http://maxtarget.by/ckfinder/userfiles/files/movan.pdfIn PDF document text
  • http://gzmingjun.com/uploadfile/files/20210814_062454.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/95e1d492239e4456876e0d85fd5c4f9b/17658183857.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/zumiguwexagizorikolagi.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/45501729962.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/4pcstgretk716ud4c1547rfb22/9567180032.pdfIn PDF document text
  • http://kingnature.ru/files/files/nevivevubipijawopaku.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/2cd9g8t82po3forsrgrq6jihso/munitiluloluguweno.pdfIn PDF document text
  • http://resetimpianti.it/reset/public/file/37250293301.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/a3d4a4e69e4e962e10244925a82dbea7/zofavadupizidavikunedebob.pdfIn PDF document text
  • http://qqsbg.net/uploads/file/vopojerefoliguso.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdaef43b51d---21773963929.pdfIn PDF document text
  • http://faradbox.pl/files/file/sudojokonozelasi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=symetrix+528e+voice+processor+manualPDF 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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