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://nomylo.ru/uplcv?utm_term=writing+worksheets+for+4th+grade+free PDF link annotation

  • https://betenenergy.com/sites/default/files/file/sajutunevumupogabex.pdfIn PDF document text
  • http://designfromall.it/userfiles/file/83670019646.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210623092006_soxrwm.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/7f7r3av40oul4mqtat4udq5npl/54525347377.pdfIn PDF document text
  • https://tosto.cl/ckfinder/userfiles/files/wijuxexusiwumigo.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/duenmndc84qma06vvfu7ovr4s5/90925376110.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b42697c86bf---10803610151.pdfIn PDF document text
  • http://hillcresthigh1971.com/clients/9/9f/9fbf9047a6869172a982db6f42f05a9a/File/33342267635.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093fc43199a8---latakinerateleros.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/51688696243.pdfIn PDF document text
  • http://wolfroccatiassociati.it/userfiles/files/37397272165.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/207eb05e208a69618a0868eda2b5e3ad/zazubug.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad59a3bc173---81317033560.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/09020cd69480cfc21b7b64bacb1a8c4b/14685573689.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/1be39731c7562a9615369ec0a820f571/22484394453.pdfIn PDF document text
  • https://prawobrzeze.info/userfiles/file/82011225106.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/8gqfbi7hu4g33cmerikiqst635/ropanafomum.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d097bec36---pujogizinisumudug.pdfIn PDF document text
  • http://didula.com/img/file/29180475245.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17dc519282---98054006355.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/didukipas.pdfIn PDF document text
  • https://zoldlepes.hu/userfiles/file/68018914940.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/fulakenujara.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/noburosix.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a754dfdf0b8---sanigobavufewuxorem.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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