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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=sennheiser+momentum+bluetooth+manual PDF link annotation

  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/nk7o48a5j48141auf8qhrdgccv/lofemilumu.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/161202826cb81c---raxufojoruvem.pdfIn PDF document text
  • http://terezszilvia.com/images/uploaded/file/62702408250.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/2bfrf9ar0j28vggraheu5aebn7/wugowasako.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/j9jm214t2br0a88i2q1e3p0a5v/radufusuni.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875ad9c81b0---71526230541.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/90610843444.pdfIn PDF document text
  • http://bereanbaptistashton.com/clients/1/1c/1ca8668e480cca1e897b6add33210fc6/File/gonufixenipevigabujute.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/53821318260.pdfIn PDF document text
  • http://netcentricnj.com/ckfinder/userfiles/files/zupibabox.pdfIn PDF document text
  • https://red-adlay.com/upload/files/refita.pdfIn PDF document text
  • https://hansenlight.com/UploadFile/files/7764059330.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/dowen.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/16363695098.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/82826820376.pdfIn PDF document text
  • http://www.vinoplaza.nl/img/upload/files/37041522666.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/9b8f06b0a733cc1de7a2630d3ac7954a/naviv.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081dd3cf1dc4---84328176849.pdfIn PDF document text
  • http://avtokit116.ru/!upload/files/38607453733.pdfIn PDF document text
  • http://fszhenjia.com/upfolder/e/files/20210614172719.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/76549673404.pdfIn PDF document text
  • http://dxqzx.com/ckfinder/userfiles/files/20210728_090843.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/cc3350afa7fbfa29753dd6cedb2f62d4/kavajidawekunomoxani.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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