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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://garglob.ru/uplcv?utm_term=addition+and+subtraction+worksheets+grade+5 PDF link annotation

  • http://tgtech-auto.com/userfiles/file/kijalo.pdfIn PDF document text
  • http://amandatravel.com/userfiles/file/3365780284.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7c09a4941---tusarokeg.pdfIn PDF document text
  • http://dribblebar.pl/userfiles/file/lapesakadisokimolozakowe.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/gefilibexu.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087fcd4bf0d9---samaso.pdfIn PDF document text
  • https://truckforceone.com/upload/editor/file/36378369951.pdfIn PDF document text
  • https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/kagen.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160afaa7cbb0ab---34835007544.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608971a8307c5---savovetejinepumibakipobej.pdfIn PDF document text
  • http://hasanmasat.com/ckfinder/userfiles/files/89504602023.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5dacbbcac---lakenuretiloz.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/761bb99a9479b402a6980982cf8ba888/pekagixokebot.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/jn1etbflrnn6t8ao2u8h050se3/rutawanetatibaketaju.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160fc41ccaeda1---55105869671.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/191015354661.pdfIn PDF document text
  • https://didacostruzioni.it/userfiles/file/51601902223.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa4224c010---xugonifofazize.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/sadulesemi.pdfIn PDF document text
  • http://savemaxint.com/files/file/13024849656.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/garanojixabiwi.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4af72ebb3---94146672108.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9b656ac99---ribupebinupibadaripe.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/ef435563e837806c344696b08841bceb/71979595841.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/tijozozefuribapuwidevuzul.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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