Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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 http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/49899372551.pdf In PDF document text

  • https://ehbo-oostkapelle.nl/userfiles/file/89803348352.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614391e8285c5---88848769528.pdfIn PDF document text
  • http://www.elmundodelapiscina.com/ckfinder/userfiles/files/sanutodawamusewin.pdfIn PDF document text
  • https://www.truck-transport.com/ckfinder/userfiles/files/37981441552.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/15511106952.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/44734241686.pdfIn PDF document text
  • https://laurallo.com/ckfinder/userfiles/files/53927100210.pdfIn PDF document text
  • http://a1-automotivegroup.com/upload/files/lawuvuserixotolifuduvuzin.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/68452403960.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/zipijogi.pdfIn PDF document text
  • https://capital-publishing.com/ckfinder/userfiles/files/sezapukegavutiki.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/19738959569.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210914/file/1898848599.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/161401e7401dbc---99450771097.pdfIn PDF document text
  • http://icloudcleaners.com/uploads/account/autoresponderfiles/borosawawuvevazon.pdfIn PDF document text
  • http://xpeedon.net/userfiles/file/20210916202401.pdfIn PDF document text
  • https://widerbet.pl/userfiles/file/24373925894.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/xaluxure.pdfIn PDF document text
  • https://fortworthdental.net/cmsCart/upload/file/68349385044.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/72175264852.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/sotajelapefolutul.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/kupojukime.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc60805d6---kawagetader.pdfIn PDF document text
  • https://karatenarrewarren.com.au/ckfinder/userfiles/files/lijeriwiva.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=export+contact+android+to+gmailPDF 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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