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
• 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 67 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://archism.ru/uplcv?utm_term=pvz+2+download+free+android PDF link annotation

  • http://autoscuolavalerio.it/userfiles/files/98968560757.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/3607633864.pdfIn PDF document text
  • http://gazduire-domeniu.com/UserFiles/file/41146809798.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/dinorovuzite.pdfIn PDF document text
  • http://wonikquartz.com/upload/editor/file/1630588442.pdfIn PDF document text
  • http://prefinancovaniehypoteky.sk/res/file/rofevofe.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/11e0ae4b95ab679c534ae60f31191ef7/48903687381.pdfIn PDF document text
  • http://doggystylzgrooming.com/admin/photos/file/8538539297.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/14391135479.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16139f2127cd53---90272082511.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/84661841145.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c0ca8862b---veturefunob.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ca7a96ca7---46297444350.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210906051817.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613878a5e6666---70490834763.pdfIn PDF document text
  • http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/44162221943.pdfIn PDF document text
  • https://duragloss.pl/userfiles/file/bomiwaxekoguvewukipizufex.pdfIn PDF document text
  • http://mmsmarin.com/imgimage/file/tepabinizo.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f80144e329---wufotidupuzox.pdfIn PDF document text
  • http://short-story.ru/upload/file/xodasikigegixufurevimazo.pdfIn PDF document text
  • http://ekachaiguitarist.com/ckfinder/userfiles/files/94214992439.pdfIn PDF document text
  • http://csc-027.com/userfiles/file/20210917084727_hs9rpz.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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