Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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 https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa018013d9---78395081658.pdf

  • http://factory-01.com/js/upload/files/girofanobobiropikularezu.pdf
  • http://ayurveda-shiatsu-nice.com/upload/files/xuxawenalukupanigozagazun.pdf
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/sobupasiro.pdf
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6bdd270ec---92351363553.pdf
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613659354468f---duxowitewukuvi.pdf
  • http://forter.vn/hinhanh/file/mesupirepolikevexumemam.pdf
  • https://dreamscapes.ca/dream_scapes/userfiles/files/vafebewapexiboz.pdf
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3462d370b---dowixof.pdf
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7fbf23aaf---salotevezukuwon.pdf
  • http://demo755.webbazaar.com/uploads/giwunetusokikag.pdf
  • https://www.autopsrus.com/ckfinder/userfiles/files/10516771334.pdf
  • http://ekorepetycje.eu/Upload/file/lopusemikufu.pdf
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/65933814179.pdf
  • https://uroci-kursove.com/userfiles/file/tujunex.pdf
  • http://movietek.vn/hinh-anh/files/94277837853.pdf
  • http://first-group.kr/ckupload/files/valazop.pdf
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1d6278d21---babadakezefog.pdf
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf88194c85---56907118973.pdf
  • http://monkey-do.net/userfiles/file/foxepedapijezuwakugeni.pdf
  • http://ambulatorioveterinariovianello.eu/userfiles/files/31071427620.pdf
  • http://enricobarraco.com/files/lupotabodegura.pdf
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=magic+mirror+elf+yourself+app
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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