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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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.
• 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://stpeterscbs.ca/ckfinder/userfiles/files/17925968766.pdf In PDF document text

  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ecae6343b9d---68635511554.pdfIn PDF document text
  • http://jinshi66.com/uploadfiles/files/bafotuxogutud.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/0fb15e99a3745c2d2773d848562a06f4/37734522671.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06bba7cec2---12131922318.pdfIn PDF document text
  • http://mahnomenalumni.com/clients/879209/File/95174940856.pdfIn PDF document text
  • http://esthebel.de/userfiles/file/xozovuxupumila.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/59067136156.pdfIn PDF document text
  • http://rudolphalexander.com/uploads/files/86688582667.pdfIn PDF document text
  • http://bandenplaats.nl/cmsimages/file/52641338545.pdfIn PDF document text
  • http://web68s.com/upload/files/denewiruliwi.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/90798300561.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ebc573b1a---gajotivikavivuxutito.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b1312595f9b---67197700886.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f7a558d73---93841758150.pdfIn PDF document text
  • http://standrewsparishhighschoolclassof1964.com/clients/70428/File/14659241322.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/vcmdscqgh3i850c4bumu2sgl3v/lobugijovivil.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/58567986341.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/70412137365.pdfIn macro / runtime command snippet
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff2a1e3430---tuxaditatogedimabamena.pdfIn PDF document text
  • https://alixdemassy.fr/userfiles/file/rimuzafogovode.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f6a82ab39---kuputoba.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/7f1f4981ad7ba5dd076bedc17f869584/48064623938.pdfIn PDF document text
  • http://kirsanov-maslo.ru/uploads/76370258525.pdfIn PDF document text
  • http://sattosushIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=respuestas+del+libro+de+matematicas+de+1+grado+de+secundaria+2019PDF 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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