Malicious PDF — malware analysis report

Heuristics 8

• 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 1 text block(s), carries a click-outward action, and is only 69 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613643f150aa0---zelolowolimoretosewama.pdf In PDF document text

  • http://thuduchouse.vn/pics/file/41178852330.pdfIn PDF document text
  • http://mygiftltd.com/userfiles/file/89368559287.pdfIn PDF document text
  • https://oasis-travel.ro/files/wojezaluxititefu.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140cb833bf82---mamovisujowezilapegejawo.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/51904283218.pdfIn PDF document text
  • https://skyzoan.com/cake/beta/userfiles/file/vujapaxonevemejoz.pdfIn PDF document text
  • http://kubkao-kubpla.com/userfiles/files/tusexalurasudipaf.pdfIn PDF document text
  • https://ndmoyun.com/calisma2/files/uploads/42061522728.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/a2e98feb7da2f92a98885dcd150b43d0/nazojolo.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/15c85fb04915756e773a73a86e00bdff/98112642455.pdfIn PDF document text
  • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/lofazaganewiv.pdfIn PDF document text
  • https://lwim-ouargla.dz/ar/files/79440105018.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/mifowelibulagimixovem.pdfIn PDF document text
  • http://vollaracis.com/UserFiles/file/zivolefo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133e9776d22a---nunopisoj.pdfIn PDF document text
  • http://atanasijornet.net/uploads/ckfinder/files/kurikovozekefodikitiferi.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/ffbee85d80c01cd5a1ddf8b0445f03e6/valulezulelijuw.pdfIn PDF document text
  • http://flex-link.cn/uploadfiles/files/vegunubegejerenesivoluwev.pdfIn PDF document text
  • http://volareinmongolfiera.it/userfiles/files/13308309777.pdfIn PDF document text
  • http://cz-synergy.cz/data/file/fovodidimov.pdfIn PDF document text
  • http://garderoba.sk/images/_file/fanogavarixalazi.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/bubuzezunefinarodufubin.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/16973225572.pdfIn PDF document text
  • http://lawngo.net/fckfiles/kinajuletevorijilidin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=p5100+custom+romPDF link annotation
  • 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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