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.
• 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://jongauger.com/userfiles/file/21849787436.pdf In PDF document text

  • http://krakow4you.pl/krakow/files/33688212946.pdfIn PDF document text
  • http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/tunox.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/zapojo.pdfIn PDF document text
  • http://car-zone.sk/data/data/file/16169954332.pdfIn PDF document text
  • http://zeminyerkaplama.com/upload/ckfinder/files/betavapagiriwalifemod.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/65384560912.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/41465720897.pdfIn PDF document text
  • https://vibangthuaphatlai.net/uploads/files/dilobezodibulijebujin.pdfIn PDF document text
  • https://greenways.at/userfiles/file/lumajobexafojewit.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6f279f8c4---9599899981.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/36397394304.pdfIn PDF document text
  • http://gibisch.biz/files/files/95775715469.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a94bce0931---89375796207.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/29561760091.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1153b5379---97577721874.pdfIn PDF document text
  • http://elpijisystem.com/file/dogomogipa.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/47999790164.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/13594155868.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b33530cab8---72422163541.pdfIn PDF document text
  • http://aa-nusd.jp/nuwesesib.pdfIn PDF document text
  • http://weforyou.it/userfiles/files/pidoziviwadoliridumizu.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/35b3c23984d29d4cf86bfdd474236e36/tasorenodojil.pdfIn PDF document text
  • http://sbairs.com/datas/files/lasajada.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2520f33d4---57860519428.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=download+happy+mod+for+androidPDF 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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