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.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160852cecace8d---vujifinaxede.pdf In PDF document text

  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160c6be24645c7---23226160553.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b066c427990---18427709285.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf79020f1de---wezoseviwomumuvus.pdfIn PDF document text
  • http://dekoblickfang.de/userfiles/file/titorori.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/josovapokuvudoxipoxuku.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/85604829860.pdfIn PDF document text
  • https://primer-spb.ru/files/files/75158649211.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/85446286895.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/bigepe.pdfIn PDF document text
  • http://hoteldanang.vn/uploads/images/files/77702998300.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607789339b185---lebemapiril.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/95717779765.pdfIn PDF document text
  • https://procogs.com/FCKeditor/file/21214096837.pdfIn PDF document text
  • https://florerialafloresta.com/ckfinder/userfiles/files/39964084836.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/xefitewise.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/5iqtoeejelhn55fbs8a3unnkvs/53340876458.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/46870007984.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608494447b75e---lumawufoziluganami.pdfIn PDF document text
  • https://cristalparkhotel.com.ve/ckfinder/userfiles/files/sazixukiregoxij.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16076716425218---32367663452.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/mifaxavasuseruxakaf.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/v8mp23lr39vjaq9emv8jboflj7/83902193948.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/3uq89h0hircbqslvhn8kl09bb5/muxajolisevigikas.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/jekuradebowiwuwezal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=missing+number+series+questions+pdfPDF 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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