Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://coretry.ru/uplcv?utm_term=ghd+sports+app+for+iphone PDF link annotation

  • http://sampoernastrategic.com/uploads/image/files/75029826304.pdfIn PDF document text
  • https://hw-power.com/uploads/ckfiles/files/615675b0ca822.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder/userfiles/files/75698687657.pdfIn PDF document text
  • http://svx.su/ffile/file/regidezepek.pdfIn PDF document text
  • http://azinsaghf.com/cache/fck_files/file/semijimuruxaf.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/sovugis.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614093f1cffa1---77771733292.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/77475969779.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/vukef.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16154053e5918c---xibope.pdfIn PDF document text
  • http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/milosuwugajotazaroxatob.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/jasubukowiwe.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/um6shf3eldbrlqqd2eqf6u2k9d/lovugonedaboluvi.pdfIn PDF document text
  • http://studiostocchi.eu/userfiles/files/jajuzonafomunanotuxo.pdfIn PDF document text
  • http://deniz-sogutma.org/img/userfiles/file/88312601509.pdfIn PDF document text
  • https://encoyun.com/calisma2/files/uploads/nuzexej.pdfIn PDF document text
  • http://agarimo.com/archivos/archivos/53137213436.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/9370145307.pdfIn PDF document text
  • http://ceramvetro.net/userfiles/file/61142018962.pdfIn PDF document text
  • http://spodne-pradlo-2bpoint.sk/UserFiles/File/88827452304.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/43340248850.pdfIn PDF document text
  • http://naoshima-tours.com/images/blog/file/raperigewonites.pdfIn PDF document text
  • https://srinivasagroup.com/ci/userfiles/files/ganal.pdfIn PDF document text
  • http://aeon-dev.com/uploads/files/202109140912578608.pdfIn PDF document text
  • http://www.oomedia.com.tw/ckfinder/userfiles/files/wuvox.pdfIn PDF document text
  • http://www.diplomat2014.ru/ckfinder/userfiles/files/41899389070.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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