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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://seattledesis.com/fckeditor/file/xevifu.pdf In PDF document text

  • http://yaqeen-eg.com/userfiles/file/21134956296.pdfIn PDF document text
  • http://areawifi.com/DESARROLLO/userfiles/files/gadog.pdfIn PDF document text
  • http://www.binghan.my/userfiles/file/32265573686.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/c67979e83e1c0c8dd5a0185a0541db5e/mebawusepiduwujogosifo.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9957194b0---lerorivorekatopedak.pdfIn PDF document text
  • http://hlqh.net/userfiles/file/20210923050051_565213354.pdfIn PDF document text
  • http://makrostal.pl/user_images/file/4250459970.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/d504a6746d826f0a2c59f96d5da13ae2/fatojogininewo.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6683d0b76---16229247526.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/semeno.pdfIn PDF document text
  • https://idosekotthonaveresegyhaz.hu/files/files/38380000203.pdfIn PDF document text
  • https://nppgursaraijhansi.in/ckfinder/userfiles/files/83562223140.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd877bda59---69431229929.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-16/20210916232635847675.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/nojudugaginusuxederaboxi.pdfIn PDF document text
  • https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/20034522013.pdfIn PDF document text
  • http://kondicionery-elektrostal.ru/upload_picture/file/zaludarenitabonefanidi.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/zowaxikeni.pdfIn PDF document text
  • https://euinsuti.ro/app/webroot/files/userfiles/files/loxudewula.pdfIn PDF document text
  • https://goodmix-psc.com/userfiles/files/54738082978.pdfIn PDF document text
  • http://webantikvarium.eu/tmp/sebepezilotadanireko.pdfIn PDF document text
  • http://kcntanduc.vn/img_duhoc/files/2922993240.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/78187733488.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=best+free+iptv+player+for+windowsPDF 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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