Malicious PDF — malware analysis report

Static analysis result for SHA-256 e27465ec2dbaf339…

MALICIOUS

PDF

196.0 KB Created: 2021-07-18 16:59:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 805d84059537e4dbd91e633348099959 SHA-1: 9863b9ab6ea1613f601d9fa64ef49e7b10812838 SHA-256: e27465ec2dbaf33943e1785674efd5831ab4506eaf36b6775344927c13b00235
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm that points to multiple compromised WordPress sites, specifically targeting their file upload directories. This suggests the PDF is intended to host or redirect to malicious payloads. The ClamAV detection and ML classifier further support its malicious nature. No scripts were extracted, but the structure indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8669

Heuristics 4

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://kag.fr/userfiles/file/sixabebalotowaxewilud.pdf In PDF document text
    • http://joy05.com/_UploadFile/Images/file/guwanonadisekoweworaka.pdfIn PDF document text
    • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a83ad1ed778---67888078705.pdfIn PDF document text
    • http://e-hematologica.com/users//file/72862346669.pdfIn PDF document text
    • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/jnr9cjkpqka2agtp3bcf25l6n2/wiravinitanegibaxizabefew.pdfIn PDF document text
    • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcc4ad6b63---29830806107.pdfIn PDF document text
    • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/1972b7c9d1113f392850586247fd98da/6000138002.pdfIn PDF document text
    • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/c9916b512865ea059772c99d5a491b2d/vawivuvifagasagadibe.pdfIn PDF document text
    • https://coatielectronica.com/files/12618692561.pdfIn PDF document text
    • http://veitali.com/upload/files/febarerir.pdfIn PDF document text
    • http://riph.pl/userfiles/file/japapobamubadawoxaj.pdfIn PDF document text
    • http://delannahotel.com/user_img/file/zezutotiderebikubu.pdfIn PDF document text
    • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/uj2f6unsluv35tln1fjbda61u0/70905226464.pdfIn PDF document text
    • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3088884f2---40536955563.pdfIn PDF document text
    • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdb908080c---xatevulugasodipamubuwewas.pdfIn PDF document text
    • http://sbnjl.com/userfiles/files/41423936857.pdfIn PDF document text
    • http://kubkao-kubpla.com/userfiles/files/53318927589.pdfIn PDF document text
    • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/54ae7a2c98e0d6ca393177bbb17c1fb5/64747997385.pdfIn PDF document text
    • http://utuin.net/files/fckeditor/file/28909251963.pdfIn PDF document text
    • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d76baf5d4---nuvifakojedaxobefo.pdfIn PDF document text
    • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/n1sqb4faeokt1alsm14ck152hh/patewezukugutedemobop.pdfIn PDF document text
    • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8c8400b02---dagokon.pdfIn PDF document text
    • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160715f4c08a94---kagijofevijifobimo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=average+fundal+height+at+28+weeksPDF link annotation
    • http://s292376414.onlinehome.fr/datas/imgmail/file/zunedan.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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