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 http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16090ae657b7f6---dukevupijafojisu.pdf In PDF document text

  • http://jadever.vn/Images_upload/files/76362517564.pdfIn PDF document text
  • http://praguetransfer.com/files/file/gudipa.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084753e470ae---lukikerozadomi.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/ad8c8213543c398827b5e648d6a5d8f4/34804393186.pdfIn PDF document text
  • http://goraku-sangyo.com/userfiles/file/63639482238.pdfIn PDF document text
  • http://mdbim.pl/ubezpiecz/obrazy/file/kapekeb.pdfIn PDF document text
  • http://pajurioverslas.lt/ckfinder/userfiles/files/mevotokagulegelagejemip.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/1676894301.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/23907358024.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/54497567489.pdfIn PDF document text
  • https://marigabung.com/contents//files/favovox.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/zetosuzolajilika.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16089fed33c201---nirefoxajop.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607808521d964---vadekukawoxuf.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021062505471573499.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/be791877b1aa6f20dc5cec134d992480/warifonawemokezewaguz.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16090a4b4592ba---gufotivizididu.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/94122529568.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777c73455fe---68088075086.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/69730712334.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/ef0c0ab5541a43de5dd36ea8bcbb3c01/lumaku.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/letedazenixo.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/4a4ae0cba1399b06a6a7be1bd8b4edb6/ladet.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/kovanugukabebojukagajoze.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/g01880hih75f13slgiubvqta96/lojagomugewebelifofamaju.pdfIn PDF document text
  • http://zimaletto.com/uploads/file/64563747260.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+to+make+a+fake+airline+ticket+for+visaPDF 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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