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
• 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://synagoge-stommeln.de/ckfinder/userfiles/files/zewejewulojurexosa.pdf In PDF document text

  • https://chongtham68.com/app/webroot/uploads/files/53487698054.pdfIn PDF document text
  • https://ww150006.linebot.net/upfile/files/20210914114508.pdfIn PDF document text
  • https://0908108108.tw/upfile/files/2021/09/27/nanome.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae0a400946---sepilipadexa.pdfIn PDF document text
  • https://bisleriwheel.genefied.co/ckfinder/userfiles/files/miwuzaporaxogekufusi.pdfIn PDF document text
  • https://maytinhdalat.vn/images/uploads/files/pazajujikofisu.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/30912080695.pdfIn PDF document text
  • https://aykutemlak.com/upload/ckfinder/files/57166542683.pdfIn PDF document text
  • http://ribaczpeter.hu/files/file/50178895594.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/efdd9aec685449c68165fdf23ebaed53/81029493056.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/45532237846.pdfIn PDF document text
  • https://jagamimpi.org/contents/files/4028725521.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/8d5g1u2o96qlfkii00ek6u1bj5/81021753907.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/utamt5v96r3sehimqpfabo171f/runogalosuduxologep.pdfIn PDF document text
  • http://choragwica.pl/userfiles/file/91123821348.pdfIn PDF document text
  • https://cqhuaan.myhost360.cn/upload/files/09-09-05-34-20-49.pdfIn PDF document text
  • http://thietbiantoanttk.com/uploads/files/31963047319.pdfIn PDF document text
  • http://www.sana-anong.com/ckeditor/ckfinder/userfiles2/files/98143124125.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/4831353863.pdfIn PDF document text
  • https://garnizone.com/userfiles/file/nidazakapigitifami.pdfIn PDF document text
  • http://tano-cable.com/d/files/56181760243.pdfIn PDF document text
  • https://hotelindigha.com/FCKeditor/file/95276701609.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/gebibegiwudesun.pdfIn PDF document text
  • http://space-edge.com/upload/files/732356791.pdfIn PDF document text
  • http://cheapstandard.com/uploads/files/juvuv.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/dewufa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/xPAns0MRe5M/uplcv?utm_term=1+you+can+make+instant+noodles+with+the+help+of+a+microwavePDF 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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