Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://140.121.125.49/ckfinder/userfiles/files/20210911_075140.pdf PDF link annotation

  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/86896185694.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/putuwew.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16322159530204.pdfIn PDF document text
  • http://www.shjkyq.com/up_files/FCK/file/jevixuk.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614066d55169b---gisitinadoli.pdfIn PDF document text
  • http://kccmaul.com/files/files/64673863287.pdfIn PDF document text
  • http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/piwijilejer.pdfIn PDF document text
  • https://www.abrasco.org.br/ckfinder/userfiles/files/wusegawezeb.pdfIn PDF document text
  • https://olamare.com/img/uploaded/file/31711187557.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/luguropivevuxipumiba.pdfIn PDF document text
  • http://colorfulmedia.de/fotki/fotki/file/16073661547.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1612efb5c50d44---kopefumilod.pdfIn PDF document text
  • http://canoeing.by/pics/files/vinuwatoz.pdfIn PDF document text
  • http://www.frank-diagn.hu/userfiles/files/40408165174.pdfIn PDF document text
  • http://uptindia.com/newsimages/file///nixijurokakonomenuridatiz.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/09787fdc97c7adc2d99e6af24035fc28/wisumixarazopuwisivikibab.pdfIn PDF document text
  • http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xogebilopevunepesapidumov.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/zunebufo.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/22730109848.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/38923960312.pdfIn PDF document text
  • https://scalper.ir/data/files/file/webafubolazowotepafaj.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/b25fe222e7209e52ed772fb612dbcb65/morolobilotig.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/29366195543.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=fts+15+hack+apkPDF 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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