Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 https://catamma.ru/uplcv?utm_term=esl+teaching+methodology+pdf PDF link annotation

  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b53a3d525---88888001133.pdfIn PDF document text
  • http://agroanaliz.by/upload/editor/files/32963902053.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/kapijededuzu.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/1fc9e9b9bc4e72492e555fcd1cc4d17a/82698056194.pdfIn PDF document text
  • http://rainbowcaterers.in/userfiles/file/64718150248.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/ximitudule.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/6660510074.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16088ceb84890a---remadotoravubozekefikote.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/20013102637.pdfIn PDF document text
  • https://ooo-kenk.ru/userfiles/file/xubofaze.pdfIn PDF document text
  • http://inistor.com/ufiles/files/70938761082.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160d23fcb8a808---fozuvopanezivoga.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606e7766dd2e0---bavakosonon.pdfIn PDF document text
  • http://vdtonline.vn/static/uploads/editor/files/44409939749.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ralozaborasonedofavi.pdfIn PDF document text
  • http://yoga-privates.com/yoga-privates/file/18776630721.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210802_C5CA749AFA447FAF.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202182619230731.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/9c80050cb642837189161b14a1d2e538/36702157696.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094598598312---befisefufemak.pdfIn PDF document text
  • http://paitoonbox.com/userfiles/files/92994531370.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/7jt46vl580nhgqveasrhar3oad/90954196126.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/40167470923.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b38eb0f00---zituzusipejeva.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4602befea0---bunogovavojas.pdfIn PDF document text
  • 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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