Malicious PDF — malware analysis report

Heuristics 7

• 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 69 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 http://recko.ru/ckfinder/userfiles/files/nojobeditunetesoxigu.pdf In PDF document text

  • http://kelakewangshangduchang.a9188.com/upload_files/art_files/files/20210910_104303.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ce2939e90d9bc186ed416fe4ba9d7712/babowarusapotogajubebeg.pdfIn PDF document text
  • http://kbautotech.com/board/datafiles/imagefile/53876081808.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/14098038466.pdfIn PDF document text
  • http://ozdoby-betonowe21.pl/Upload/file/zevixusoturogi.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/a5aeb76aafcd75efb755fb87cec32b05/nofoxabekusekerupabegabep.pdfIn PDF document text
  • https://techson-cctv.com/upload/file/99547014331.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/24372409184.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5b43adee3---21826953292.pdfIn PDF document text
  • http://knuhpharm.kr/userfiles/file/20210914123329.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7e3ce06e8---78143923750.pdfIn PDF document text
  • https://securitydm.com/slicice/file/88653940888.pdfIn PDF document text
  • https://ambalatender.com/upload/files/62979046495.pdfIn PDF document text
  • https://zhansq.cn/upload/file/34555890466.pdfIn PDF document text
  • http://werkkledingverkoop.nl/images/docman/files/80948816594.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/77594592340.pdfIn PDF document text
  • https://holcom-wd.com/webroot/img/files/tobisiletavuparivivor.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131140bac9f8---zuwapafivifumujatujegotux.pdfIn PDF document text
  • https://thietbixanh.net/uploads/files/82850105294.pdfIn PDF document text
  • https://quangcaowebsitecomvn.xemlaco.com/uploads/files/dovaviwabol.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/24802563680.pdfIn PDF document text
  • https://rovetco.com/userfiles/file/kidobujivimovidim.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/manetoreles.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/70486384752.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=font+cache+mx+playerPDF 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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