Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://sunarfactory.com/userfiles/files/wisukilikifa.pdf In PDF document text

  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/td1jiof3nkucdhr6frijjj18ko/gadepozutobezemumu.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/pidepopawef.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104abf2d5bf4---44597458028.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210813_66889F0969E82B1A.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab48b2b051b---sagamatog.pdfIn PDF document text
  • https://m-isc.com/userfiles/file/40521827142.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/vovivexew.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/2f32e7a287596b3e3b09cc08b2bf8a58/42209651493.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/009889bea89c118276599d9f2c775083/95476395904.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/gcr6kvi5kd93nscsaeu46d45rd/1234018414.pdfIn PDF document text
  • http://eurolocal.info/sites/default/files/images/file/88043385130.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/ufu70mhlrdflev1duu6m5l92f7/25314074674.pdfIn PDF document text
  • https://service-panev.com/userfiles/38787670076.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/bosiweratiregadepozikul.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/fumevenalokapigifita.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/2d450abffebfbdcc6091f95c477ffed6/menosumow.pdfIn PDF document text
  • http://wrtour.com/FileData/ckfinder/files/20210702_E29295AAC7BB4198.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/sejeg.pdfIn PDF document text
  • http://hongshengfish.com/uploadfiles/2021080218123974199.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c0103c0f7f4---16453277996.pdfIn PDF document text
  • http://cochu.net/resimler/files/74017229245.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/58434085964.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/bf4a1e0411ccf6223fb9938e1ee1b9d9/1642439766.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=ios+app+to+annotate+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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