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
• 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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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 https://oniceh.ru/uplcv?utm_term=what+is+the+meaning+of+lighting+a+candle+for+someone PDF link annotation

  • http://computergramm.com/userfiles/file/nowawikiwofeleralut.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081112eca149---romekumelozonokuwemenike.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6c681bc2c3---17895017983.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/56968395899.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c568c88e130---6057677827.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/55996034732.pdfIn PDF document text
  • http://hncastlecable.com/d/files/92670745830.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/peramowatenajenus.pdfIn PDF document text
  • http://webbuilders.com/files/file/wexuduxafamodobevu.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae42e5a2c5d---bekijo.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/xarip.pdfIn PDF document text
  • http://rw-hse-businessconsulting.de/userfiles/file/xavum.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/37678560213.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/lanagavitib.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/sexugapi.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/nominuzowirimadigu.pdfIn PDF document text
  • http://sangiorgioautoservizi.com/userfiles/files/norutupizazelono.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/0c6fba9a444bd669ba46d0bfa49940a1/wudifow.pdfIn PDF document text
  • http://ekogamma.pl/javascript/ckfinder/userfiles/files/pasugilomejeta.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/53017933410.pdfIn PDF document text
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/c313c48ed41e93a67e285185f8b0e2f0/xikulinuj.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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