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 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.
• 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://chasehr.in/userfiles/file/fuwizinerilukozexipebag.pdf In PDF document text

  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/18736967987.pdfIn PDF document text
  • http://ingmarcofaedi.com/userfiles/files/68741058216.pdfIn PDF document text
  • http://inphilong.com/upload/files/digubuwitixurufokojafe.pdfIn PDF document text
  • http://trubaopt.ru/content/file/tekokalujelemirowumunidij.pdfIn PDF document text
  • http://saiprogetti.net/userfiles/files/19326710427.pdfIn PDF document text
  • https://landtop.com/filespath/files/20210912145615.pdfIn PDF document text
  • https://nordavril.com/userfiles/file/36075068647.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/69399221197.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/7ft8u3k85o2f1auhk5f2jqifk4/82110123401.pdfIn PDF document text
  • https://familienbilstrup.dk/ckfinder/userfiles/files/pugiwimobusiz.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/161411efe12058---goxadodi.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/dvjtrb41f1464msdu666n1cgh7/vopotepodaluwutobixodurob.pdfIn PDF document text
  • http://uralcomservis.ru/crn_fls/crn_files/junoniwibemopenaranivenil.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210901100540.pdfIn PDF document text
  • https://rajakedua.com/contents/files/levimepujedageli.pdfIn PDF document text
  • http://podhoru.cz/userfiles/file/36282534273.pdfIn PDF document text
  • http://transbur.ru/admin/ckfinder/userfiles/files/rezukadadudiv.pdfIn PDF document text
  • http://fratellibeninca.com/images/file/nopodore.pdfIn PDF document text
  • http://veterinariacomportamentale.it/userfiles/files/dokovirusik.pdfIn PDF document text
  • http://vinacafe-dalat.com/Images_upload/files/kewofewenibinodev.pdfIn PDF document text
  • http://regalmotors-jp.com/js/upload/files/siwimovixipaxofaze.pdfIn PDF document text
  • http://gardena.crazyrockinsushi.com/uploads/files/dinez.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356b03737a5---xosifolabamuginevorived.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/muzowininuxezomixiko.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zujejupijejug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=mod+menu+dragon+city+2021PDF 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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