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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 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.
• 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://philabc.ru/uplcv?utm_term=android+mod+1+dls+19 PDF link annotation

  • http://evevoyance.fr/adh/.-/file/41696105635.pdfIn PDF document text
  • https://cargoservice.pl/cargoservice/userfiles/file/78504354516.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/75249941577.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/wujoremenovonobop.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613139a537d03---64525709035.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134bfe555c5c---vivunugad.pdfIn PDF document text
  • http://smolninskayahotel.com/userfiles/file/75066543189.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/bagede.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1615070e168eb0---kutesemizatizisumonebuzu.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/sofavuduvofujukadugapi.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/jijesenalarilanewa.pdfIn PDF document text
  • http://www.oteliapelsin.ru/ckfinder/userfiles/files/31429032130.pdfIn PDF document text
  • https://tomas-music.com/contents/files/47108429639.pdfIn PDF document text
  • http://bjjiffy.com/upload/22460429835.pdfIn PDF document text
  • http://jayeonrak.com/upfile_editor/2021/files/12489642137.pdfIn PDF document text
  • http://ranchobg.com/img/file/37829045666.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/35094049757.pdfIn PDF document text
  • https://dacola.com/upload/files/81475983722.pdfIn PDF document text
  • http://patroha.hu/file/53117615218.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614006497d771---perirunes.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/mudedisuxotosubenabejapi.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/79130074406.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/32242075268.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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