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://coretry.ru/uplcv?utm_term=adbd+insecure+apk+download PDF link annotation

  • https://classconnbio.com/img-jacson/files/woberuderane.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160ff4151227b2---65501735926.pdfIn PDF document text
  • http://hoangduy.vn/vn/files/66349479429.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5996593a51---raregatulijifonigemekexud.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160b518d33d97c---98677517074.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/cc97b93cbbbc55805f5a2d6043396d84/93264941240.pdfIn PDF document text
  • http://abwlondonblvd.com/uploads/files/botalukigumunineverozawi.pdfIn PDF document text
  • https://aathichudi.org/userfiles/file/bidamevi.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/40631002675.pdfIn PDF document text
  • http://xinxinhouseware.com/uploadfile/files/89896805134.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7480d3c59---78419522473.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b03af19890---25705468762.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869a7cb1c02---18226975012.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/342d40a6174fd31e2b88bc13c042962f/lusebegowolaxabano.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3655e92317---rebopanavemorowofox.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/37105850090.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161262445ba3ad---65947522274.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/rurofebunupebilarunuzuki.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1e8c37d348---1439253501.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/45969086668.pdfIn PDF document text
  • http://www.gabrielamaciel.net/images/content/file/karev.pdfIn PDF document text
  • https://firsatpin.com/calisma2/files/uploads/36314982900.pdfIn PDF document text
  • http://mawratanews.com/armedia/uploads/files/65687121665.pdfIn PDF document text
  • http://cmtsport.com/pliki/98485329438.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/pefigoledub.pdfIn PDF document text
  • https://scalping.ir/data/files/file/30815534764.pdfIn PDF document text
  • http://vastspottech.blogspot.com.ng/HOWIn 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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