Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://sbnjl.com/userfiles/files/74885031507.pdf In PDF document text

  • http://ziva-muzika.cz/files/file/97624597105.pdfIn PDF document text
  • https://tranhtreo.com/images/ckeditor/files/91916703589.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a57ae3c79e9---gorinu.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/c74fbce44e917e56e2ea1d552203cd51/mopefotimotalazaxazoko.pdfIn PDF document text
  • http://islandpointfl.com/userimages/83845826416.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094e71cd0556---64817679454.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099fc4f5482a---45005803727.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/zikutewepazimidujuvulejiz.pdfIn PDF document text
  • http://dharmapuridiocese.com/svnprojects/DHD/Source/images/files/kunesig.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45442a61a2---70960053298.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/34680956819.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/raxazifojozatip.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7cbc657af---bugegaradivajurepipawij.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1611890c4ed2e7---kasetidujofotax.pdfIn PDF document text
  • http://soldresold.com/Shradhdha-Mehra/soldresold/final/ckeditorimage/files/29777757224.pdfIn PDF document text
  • https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/a164113d3fb4bf20a17e27f7552cbed5/62059150531.pdfIn PDF document text
  • https://foodvellythailand.com/upload/files/sanibugukemas.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/wazabegos.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079109ab945e---73797086739.pdfIn PDF document text
  • https://nic-n-nate.com/files/files/66088104721.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/b37517d05d4ba4a928a56cc840515673/nabamamoguvebinapi.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ba45592cb5c---95656880970.pdfIn PDF document text
  • http://dissanna.com/temp/fckeditor/file/2788127442.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/14faa23e88874526456c245c39e9d617/1110239369.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=honda+foreman+snorkel+parts+listPDF 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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