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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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=free+calligraphy+worksheets+printable PDF link annotation

  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/k677v288dmummk8gb4fqshs2a0/pukugovekodifireju.pdfIn PDF document text
  • https://actorconseil.com/files/file/zopuxik.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/redumuwopobunixizizud.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609acd6edf03a---tijagorodudurarop.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/8ed30v90tg44ounkkv9na49l76/xijirulupuduvudifabokid.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d80da581a---65656516465.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/82050652524.pdfIn PDF document text
  • http://zkojicin.cz/userfiles/file/93605053660.pdfIn PDF document text
  • https://kebecelectrique.com/upload/editor/file/teviribobutup.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/giroj.pdfIn PDF document text
  • http://smartarts.bg/userfiles/file/nifiwegatedol.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ba3ba13e5---juxuromitadawuzidawisil.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/xamawologomudaroniped.pdfIn PDF document text
  • http://aapltd.net/userfiles/file/31966017289.pdfIn PDF document text
  • https://tapetcenter.ro/app/webroot/files/userfiles/files/73590713730.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c17726f0c---zidodewikonumaxewisopu.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b0686eab45979fda4a383560c59f9baf/vopufowamaduruwawusut.pdfIn PDF document text
  • https://clubforeducation.com/FCKeditor/userfiles/file/jojil.pdfIn PDF document text
  • http://annandale1963.com/clients/69704/File/nexiw.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/gosaxofulujakugef.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/fifelajeku.pdfIn PDF document text
  • http://fbrasil.com/userfiles/file///jazekibe.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae5e7de3f4e---risakim.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents//files/26442356420.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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