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://queure.ru/uplcv?utm_term=dynamite+bts+ringtone+mp3+download PDF link annotation

  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1057fb6bef0f342ce8fe2a5c9594747b/tixukakususejo.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/52806403112.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a06822c64cf---31719087014.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b489d88573---39157834298.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/ececbfaa546dcb9302810bbd5bb151a3/75822718671.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16070dff032019---jidijomulifuguwu.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/ae6f2b38876af6fb9107418236e697c2/1404919353.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd36e312ea---25249313092.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5adcccefde---29738814951.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/b8c00326d6a3bd5961372f7e8c465ef1/bokotagijenawarutemosisop.pdfIn PDF document text
  • https://egyptsuntours.com/userfiles/files/73549739534.pdfIn PDF document text
  • https://webmenuplus.com/images/file/juwamamoxamijuxo.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/37462875816.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cb38fa3af09---59547700636.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_02_sfnt_off0000e0c0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_02_sfnt_off0000e0c0.bin)
  • http://www.opentle.orgIn extracted file (font_04_sfnt_off000107b9.bin)
  • http://www.daltonmaag.com/In extracted file (font_07_sfnt_off00015cd0.bin)
  • 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
  • https://savannah.gnu.org/projects/freefont/In extracted file (font_00_sfnt_off0000c33d.bin)
  • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off0000c33d.bin)
  • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off0000c33d.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_02_sfnt_off0000e0c0.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_04_sfnt_off000107b9.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_06_sfnt_off0001436e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_06_sfnt_off0001436e.bin)

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