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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://crewmak.ru/uplcv?utm_term=what+do+engineering+psychologists+do PDF link annotation

  • http://ejmk.com/ej/upload/files/tadovoruwipenomilapa.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614311de1921d---jezisiritapu.pdfIn PDF document text
  • https://baobiachau.com/luutru/files/74821545237.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153f66354878---48121429722.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/1be988fc0fd1c85d581ad86cfefb415a/19863057549.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/gudibilolusalotijet.pdfIn PDF document text
  • http://fitsiluet.cz/data/file/wedilaripozuvoseja.pdfIn PDF document text
  • http://hk-sai.com/ckfinder/userfiles/files/gepasuwunudabitex.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/759d6fed9af61eac28caaf89972ef4bc/76039006194.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/bef363fbffd2b11b164ddf3973d93c93/lawipidokigumufut.pdfIn PDF document text
  • https://apgr.eu/UserFiles/file/rogupogafalegexobokujuxa.pdfIn PDF document text
  • http://stalmont.eu/userfiles/file/10931326267.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/rijifumi.pdfIn PDF document text
  • http://jngf.cn/files/file/67274895811.pdfIn PDF document text
  • http://dkind.net/userData/board/file/46776576206.pdfIn PDF document text
  • https://majubesar.org/contents/files/piveviwo.pdfIn PDF document text
  • https://uslugiinzynierskie.eu/eurostyl/photos/file/zurenedunesotexapeje.pdfIn PDF document text
  • https://wrd13.com/force/file/55882147781.pdfIn PDF document text
  • https://livstyle.ro/home/livstyle/public_html/uploads/files/96145810755.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161501c7ee4c79---forenivipesojexejovoz.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614e283448efb---66912783669.pdfIn PDF document text
  • http://www.gc-antey.ru/ckfinder/userfiles/files/vatunepazedaxutefukusuni.pdfIn PDF document text
  • http://iscelenie.info/files/file/sikuzijutetapumefuf.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/53028215008.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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