Malicious PDF — malware analysis report

Static analysis result for SHA-256 01ed5b6f41986f3e…

MALICIOUS

PDF

55.3 KB Created: 2021-09-06 06:05:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-02
MD5: c3fdf78c172d432bb252090a65bb0056 SHA-1: d231c1e091a8de7ac812be18b53b5de700973d5d SHA-256: 01ed5b6f41986f3e48d456516c2b5c2ed53aa49df91e865aa3672858cc187103
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3186

Heuristics 5

  • 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 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
  • 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://krisoc.ru/uplcv?utm_term=manuale+d%27amore+1+streaming PDF link annotation
    • https://laptoptranganh.com/data/dulieu/files/nofexaxurexukezanoxuwo.pdfIn PDF document text
    • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/6570f25af60f35de1e1aa0d62eea9f4a/zafas.pdfIn PDF document text
    • http://dentalcenterstudio.it/userfiles/files/buxuximuxa.pdfIn PDF document text
    • https://betentour.com/sites/default/files/file/75299118826.pdfIn PDF document text
    • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdba49a72a2---subuxoxa.pdfIn PDF document text
    • http://bluecars.pl/userfiles/file/gexatojipedozo.pdfIn PDF document text
    • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e646a4965d---debut.pdfIn PDF document text
    • http://apexnepaltravel.com/userfiles/file/18745251903.pdfIn PDF document text
    • https://watertorens.nl/userfiles/file/64376176989.pdfIn PDF document text
    • http://cyklo-sport-servis.cz/UserFiles/File/pitapadelu.pdfIn PDF document text
    • http://gabinetortodontyczny.eu/userfiles/file/76533915945.pdfIn PDF document text
    • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/870d0158ea5946dac2ef455ed1fe0766/82860520145.pdfIn PDF document text
    • https://akamercedes.com/images/uploads/files/32672118249.pdfIn PDF document text
    • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c68500efc---397145992.pdfIn PDF document text
    • http://agama-rc.com/upload/files/tulewijorapupuvumexilotis.pdfIn PDF document text
    • https://chaplains-camps.org/upload_picture/file/rijixotiremesuba.pdfIn PDF document text
    • https://journeywithmypet.com/ckfinder/userfiles/files/rutupadudaselutijowid.pdfIn PDF document text
    • http://tofuyatogo.com/uploads/files/61069786766.pdfIn PDF document text
    • http://ilturismoinitalia.it/userfiles/files/4099024424.pdfIn PDF document text
    • http://autodilykanka.cz/cmsimple/images/file/35406187740.pdfIn PDF document text
    • http://ckrestaurantgroup.com/ckfinder/userfiles/files/77474774800.pdfIn PDF document text
    • http://asea-admin.com/_userfiles/file/20210626103444.pdfIn PDF document text
    • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/69425994501.pdfIn PDF document text
    • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/oosmnf66feqo2ll57len3309ao/jovaro.pdfIn PDF document text
    • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fbc51fda419---41362572860.pdfIn PDF document text
    • http://luberoff.com/userfiles/file/26897780946.pdfIn PDF document text

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