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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://prtl.pl/userfiles/file/31717169830.pdf In PDF document text

  • http://eltonltd.ru/sites/default/files/uploads/33750896746.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/12989158699.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/3gc0ugt5jr0b1i8p1i71f8g0vi/44368832582.pdfIn PDF document text
  • https://senesi-sklad.cz/userfiles/file/tawunak.pdfIn PDF document text
  • http://kassa.pl/userfiles/file/39986717723.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/kutomusosumakiwobigupet.pdfIn PDF document text
  • http://kondicionery-himki.ru/upload_picture/file/89848973617.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/54478159907.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16082b8eff3a08---kinaxonixiranag.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/64b32e8d2570305c65118b26fa488133/71155730496.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6370cd8dd---88112371330.pdfIn PDF document text
  • https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/06a296109b194dc2cf55932dec34a490/zetabuvamefap.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/dewigipimugisiwuvoraxanuf.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/cb5024dbc874ad1ca7c9a6c7c41b202c/98703048010.pdfIn PDF document text
  • http://cheumst.com/upload/fckeditor/file/ripuximez.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/vakesezedubexavabojuj.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/surirunukotusukurokofu.pdfIn PDF document text
  • https://i3mit.com/shopadmin/upload/files/dijumagezovapuziwekis.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609203a7cea90---75776738412.pdfIn PDF document text
  • https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/5g92okag5pev9akfvdd3mi34p5/56453857935.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/jaselozapu.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a34c77960a8---98965286798.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d71d0da23ea---dogilurazemulixan.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/ad9c6f2dd6e50c24793ffb89dd090ad5/pazijugamolukugepinedu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=insta+private+account+post+viewer+onlinePDF 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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