Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://inwebjor.ru/uplcv?utm_term=a+calligraphy+lowercase PDF link annotation

  • http://allamericannursing.com/userfiles/file/napuxuresipojosove.pdfIn PDF document text
  • http://gr-chem.com/upload/files/69092070803.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/e8d8de746682cec0c3ba52c221b90fbe/39874031521.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h984udpga3p86amotfd72kbdn1/kipavanore.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613711318b617---jodoxilara.pdfIn PDF document text
  • https://magicdiscoradio.hu/userfiles/file/51554338510.pdfIn PDF document text
  • http://ebrinteractive.com/userfiles/file/nanadefololoxuriwapi.pdfIn PDF document text
  • http://hijoin.hu/editor_up/57612783817.pdfIn PDF document text
  • http://fittbikese.hu/files/file/9926985829.pdfIn PDF document text
  • https://promaxsuspension.com/csmimage/file/dapev.pdfIn PDF document text
  • http://hotelniagararimini.eu/userfiles/files/12661405210.pdfIn PDF document text
  • http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/livoxali.pdfIn PDF document text
  • https://marlschuz.com/userfiles/files/43603578139.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/13773326810.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/masawenukodezo.pdfIn PDF document text
  • https://kvzriu.org/images/file/8602767602.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210902_42733D6F0BCC1C48.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161400a312965c---zowenez.pdfIn PDF document text
  • http://csim.jp/ckeditor/uploads/files/44294680887.pdfIn PDF document text
  • http://oldadmin.k12cart.com/media/files/64977854528.pdfIn PDF document text
  • https://pestresolution.pt/site/upload/file/8673759205.pdfIn PDF document text
  • https://plasy.com/uploads/file/66824444116.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/4380967180.pdfIn PDF document text
  • https://stka.gr/ckfinder/userfiles/files/2947002570.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/85346602351.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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