Malicious PDF — malware analysis report

Heuristics 8

• 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 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 http://doktor-okonski.pl/uploadimg/file/nelawugo.pdf In PDF document text

  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/5929276553.pdfIn PDF document text
  • http://www.moyekolodin.com/files/58513374433.pdfIn PDF document text
  • http://chukysovin.com/img-svc/files/jiwovivibopobuxaxamiz.pdfIn PDF document text
  • https://livewireeventz.com/userfiles/file/48869111160.pdfIn PDF document text
  • https://canoe.ro/Extras/ckfinder/userfiles/files/14487668871.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/xifewokuzajakiketovuxotu.pdfIn PDF document text
  • http://atel-j.nl/uploads/files/sebogunaborenarugafus.pdfIn PDF document text
  • http://samocvet.org/foto/ck/files/pasewameduw.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16130451b0849c---fonivimowimuxizafumod.pdfIn PDF document text
  • https://ystechpro.com/nbloom/fckuploads/file/ladoxorekuxubimuzedu.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/53662473020.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b29b46a23e---lamugoditolowefurixedato.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/74223064629.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/4233460369.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/nelewumofe.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/joxawu.pdfIn PDF document text
  • http://aedelsur.com/contenido/files/42083049159.pdfIn PDF document text
  • https://telechips.com/ckfinder/userfiles/files/pezusavepan.pdfIn PDF document text
  • http://yyfxsw.com/upload/files/mubolawafagozeras.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145d3c17415c---1046516894.pdfIn PDF document text
  • http://locnuocvietmy.com/Images_upload/files/vutiwefevebub.pdfIn PDF document text
  • https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/75581491702.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161497b2a07db1---74978911649.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614347b13ec9c---poxulonikuxazot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=piano+tutor+pdfPDF 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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