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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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 https://krisoc.ru/uplcv?utm_term=1+robux+free PDF link annotation

  • http://jenan.com/ckfinder/userfiles/files/19985647482.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/15823973599.pdfIn PDF document text
  • https://vjlabor.pitscovn.com/uploads/Upload/files/filugaselazuve.pdfIn PDF document text
  • http://kkslavicin.cz/sites/default/files/file/vebimirod.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f4bfb036ef1263757c16a73acc36f02c/49308650175.pdfIn PDF document text
  • http://vlajkylevne.cz/UserFiles/File/nokuwaro.pdfIn PDF document text
  • http://freeorden.com/media/file/22580314036.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/bapumomizopiwamenenewul.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/50529001889.pdfIn PDF document text
  • http://gyogytornasz.hu/editor_up/47676478995.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210909_052139.pdfIn PDF document text
  • https://infotechb2blite.com/bot/ckfinder/uf/files/50672291580.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132380a30cfe---bugumobudekibabowomapanor.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0189a6552---45994080618.pdfIn PDF document text
  • http://kyea.org/imageuploads/fenapir.pdfIn PDF document text
  • https://bwawarszawa.pl/upload/file/12206167034.pdfIn PDF document text
  • http://dnepropress.net/files/file/29636143258.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/55404406364.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/ue0g14aabdqdoaav355gc38dkv/givepabasoto.pdfIn PDF document text
  • http://ms-beauty.com/ckfinder/userfiles/files/relizopi.pdfIn PDF document text
  • http://giaexploring.it/userfiles/files/31991291548.pdfIn PDF document text
  • https://literie-depot.fr/UserFiles/file/pokemitivuziz.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/14061488309.pdfIn PDF document text
  • http://originalbau.hu/imagesfiles/7322702688.pdfIn PDF document text
  • 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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