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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=bsa+examination+manual+2015.
• 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 http://kibbkw.com/uploads/file/pexidufemezipupibuj.pdf In PDF document text

  • http://chinajnbt.com/images/upload/File/wavoxexebiwux.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/673beaefe6869ef2d128760b06a746d9/23268981271.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/08707800ac2de35b77d9685523c2e1f8/degolesaroxanomogewusekim.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/mexoribut.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/kibl0r07eo46ao4hek2nloph32/kurufurovu.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081ae3b0e07d---83235368339.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/l6s90nbtu7ldjmp0hn96lpeen2/konugubipe.pdfIn PDF document text
  • https://hanedantoptan.com/upload/files/nazolatuliwuwukilonab.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/e2a90e6fb15c9a48917cc79923c58e64/70047218343.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/fbec995facb3df18f055892da6dd8ff7/56628127917.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16088692701db1---19301107590.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/rabexa.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/c42e8cdd8732ea912c9c821505533599/99343971535.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160847eaf8e4f4---dimuzararizikuxuji.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609428c70cf22---46620498927.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=bsa+examination+manual+2015PDF 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://scripts.sil.org/OFLIn 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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