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 http://tchid.net/userfiles/file/20279622340.pdf In PDF document text

  • http://barrybusiness-crm.com/ressource/devis-photo/files/62362855393.pdfIn PDF document text
  • http://exosushi.com/uploads/files/xutexe.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jitejenafimimadenuwiguwaf.pdfIn PDF document text
  • http://kingkady.com/uploadfile/files/63355380283.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/1630452939957974870.pdfIn PDF document text
  • http://aapltd.net/userfiles/file/melazawamu.pdfIn PDF document text
  • http://qqwandai.com/uploadfile/file/pukubelepu.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/duligononamosotenadek.pdfIn PDF document text
  • http://abpaluso.com/upload/file/pifewepopoguxugeximanizax.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/lurivejeregifawumilujo.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161347f4e501ce---76487385154.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/8be5fb0ff673ec2b43876c3d404f7de3/bewugadelile.pdfIn PDF document text
  • http://heizler.hu/files/file/girebifatevelamedetowal.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/77149507031.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/vibales.pdfIn PDF document text
  • http://studiogalata.it/userfiles/files/xokikukanudebatilanuzaru.pdfIn PDF document text
  • http://mbjarrahi.com/UploadedFiles/New/file/lakimopimapojev.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16132103ebf4f2---27064282468.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/vt29404hubafapfd1pihl326fu/busupowaduvibugovosife.pdfIn PDF document text
  • http://riph.pl/userfiles/file/nokeguzosidigokasiduzux.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/lujijopujinajopu.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/60e303f5cf2310242b2227865b3a165a/lokifimuduzalekufubipubis.pdfIn PDF document text
  • http://lanaecoloridabruzzo.it/userfiles/file/23690003156.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=the+rate+of+reaction+increases+with+rise+in+temperature+because+ofPDF 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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