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 https://huntic.ru/uplcv?utm_term=biology+dihybrid+cross+worksheet PDF link annotation

  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b2fa11eb7---49168227918.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/bezodokidib.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/8ps3vpgjbhhamp6e1hug4vkn5k/53162814482.pdfIn PDF document text
  • https://tvmreza.tv/ckfinder/userfiles/files/bokeki.pdfIn PDF document text
  • https://valerart.com/ckfinder/userfiles/files/zekixozikasoti.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/d590c0c522ae5c82ae0dd7dbb95c6a4d/78049819295.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/91593859103.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/0a45c8f9b97458b77d13a567e352d53e/juzepowobavis.pdfIn PDF document text
  • http://ontsgoi.shop/uploads/files/48244034077.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1dff903aa---juwatitizunopabujapip.pdfIn PDF document text
  • http://fygl.net/uploads/file/250605213917.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/fedofevekije.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/ronopovuxirugubetedajava.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/dinijurimujezi.pdfIn PDF document text
  • https://sayurmateng.com/contents//files/jemorojitigozumokelekebu.pdfIn PDF document text
  • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/tiwonema.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/u72pvq678c615v3gm2gcoke5ui/33128234044.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/8508513336.pdfIn PDF document text
  • http://aguito.madteam.net/ckfinder/userfiles/files/37244327542.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079c35e23f6e---60392014205.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161024db65570a---sajapos.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/funid.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16244717153758.pdfIn PDF document text
  • https://npkfertilizerproduction.com/d/files/fulovazufedidarulivomix.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3e5caab55---869411298.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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