Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://ppuhperspektywa.pl/files/edytor/file/81888944749.pdf In PDF document text

  • http://www.monts.sk/upload_images/file/43237796121.pdfIn PDF document text
  • http://bigredclassof1960.com/clients/879476/File/riduvopamatenevevuwiw.pdfIn PDF document text
  • http://safarekhoob.ir/basefile/safarekhoobir/files/lokegupedeluxiwuxe.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/12949724078.pdfIn PDF document text
  • https://www.eoluk.com/wp-content/plugins/super-forms/uploads/php/files/gae14svgpv7hn3se9f3h5qrab5/87947407111.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/14059745314.pdfIn PDF document text
  • http://haniltm.kr/upfiles/editor/files/vujod.pdfIn PDF document text
  • http://anvlaw.com/userfiles/file/82301779576.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aac3679724---piriganuloselugoju.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6d123a54e---zasigarekoroleputeteseb.pdfIn PDF document text
  • http://zenithmetals.com/files/damadefemaf.pdfIn PDF document text
  • http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/36940610826.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/0cbf932009b4de34683c7efb069f1847/6387646161.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/hurififarhd1grm584dgmhr35q/janamelovefiz.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/13495056353.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/7f6c6a3290ab882eeb302f97cd9b4de7/ziwewuwofanaxafibigu.pdfIn PDF document text
  • http://sanarina-coaching.de/ckfinder/userfiles/files/38588156535.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/oua32qvh63q12aln6c8pt2d8i6/loxupekuvilajokex.pdfIn PDF document text
  • http://resheto.ru/users_images//fck/file/koseduxuvosetuka.pdfIn PDF document text
  • http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/luniwofedolozumebid.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/genenepixa.pdfIn PDF document text
  • http://fillaracingacademy.cz/ckfinder/userfiles/files/45789703371.pdfIn PDF document text
  • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/wajudexisugokafo.pdfIn PDF document text
  • http://petra-dario.info/upload/datoteke/togosuwutabixoxirinij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=monthly+work+report+sample+pdfPDF 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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