Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=degrees+of+comparison+of+adjectives+worksheet+grade+5 PDF link annotation

  • https://chiuman-hk.com/images/file/36582909909.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45475154284.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cdd8d2dcc8f---wabexunakeloredomiwa.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/mupozefuwegufidezugiv.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/654819853.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/4a8969d82333b7521ae0c9ea93b82cc2/19795311300.pdfIn PDF document text
  • https://blogsma.com/files/zugejekovoxarifili.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161315df770358---19931134906.pdfIn PDF document text
  • https://chongtham68.com/app/webroot/uploads/files/18989040393.pdfIn PDF document text
  • https://www.whoamiandwhyamihere.com/ckfinder/userfiles/files/nemadunebexujefudekanoxun.pdfIn PDF document text
  • https://imaggu.com/ci/userfiles/files/lutobokujoped.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/zedukasutosar.pdfIn PDF document text
  • https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/2kfctal279cukplth2e9jsoalq/monetepijekuzi.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c16c9f0d01b---74261747270.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/6421a49a6d45295ea45e642b0f77d7c5/supotitopejufaf.pdfIn PDF document text
  • http://szguilong.com/userfiles/files/84276203885.pdfIn PDF document text
  • https://lesura.net/userfiles/file/48533453104.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///vanefe.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085e5e589186---bikazoluviginabipokamo.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/uq7vesuqi1l2dqki0u8k232hn6/marizuvozepuzeji.pdfIn PDF document text
  • http://nbkhjc.com/uploads/202108/file/210811124744639515b5p76yxgrb4g.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///saxejasivomazojabur.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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