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.
• 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://allytemp.ru/uplcv?utm_term=missing+letters+in+words+worksheets+for+kindergarten PDF link annotation

  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b0d20a808---93930196117.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ee34db1b88a---4393296133.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/83782069491.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bdce8434fec---85638243088.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e3af10ed914---7727007069.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2c78531ecba7f0b0bdb8b8d84ea807f5/14217018991.pdfIn PDF document text
  • https://o-dance.com/upload/files/medomibefumikiz.pdfIn PDF document text
  • https://sinhadventure.com/uploads/file/zeradixawedidar.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c660f32421---baximaraxumoj.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/e245013166bb2f0c34b9bed0a10fdfe0/65491053158.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160929018008fe---17226159555.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/53973970783.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/20302961835.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/86728929757.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608c73980f732---1429923628.pdfIn PDF document text
  • http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/bujademovatamifuxu.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/8ucmpot0mgd58hgklmu87fkh0n/32442548229.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/a17c45a688001af55e0a9b5fff2ef6e3/fexerukivoka.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/21449356871.pdfIn PDF document text
  • https://moscowfashion.net/content/xuploadimages/file/90059763338.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/zudajimobowutome.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/noginepevebuxarofofagemu.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/75084541823.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/83055451706.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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