Malicious PDF — malware analysis report

Static analysis result for SHA-256 01a2d55cc63fc0b2…

MALICIOUS

PDF

60.9 KB Created: 2021-07-01 21:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-04
MD5: 4336ccd5a5d4c06b9f2a80b7455051b2 SHA-1: c0495bd5e9e50ed54d07431bb889650607257996 SHA-256: 01a2d55cc63fc0b2019e23f5038744eedd82c9530a659b83bfd9371b01f27f1c
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 malicious score 0.5358

Heuristics 5

  • 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.
  • 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://daleel.global/wp-content/plugins/super-forms/uploads/php/files/3hqu73md53m5hcukh8jh98e4bl/35416733486.pdf In PDF document text
    • http://nuraski.pl/wsg/userfiles/kawijenine.pdfIn PDF document text
    • http://tablica-nieruchomosci.pl/uploades/fckeditorfile/31600357384.pdfIn PDF document text
    • http://atenngo.com/admin/sites/site/documents/rariraxubusifidufavuxonup.pdfIn PDF document text
    • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/cd3f8c6272f7528adecfaf6a7548dbab/jezanipikopapanusodizulin.pdfIn PDF document text
    • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebbce5f667---xujiwojexokigorarapepovi.pdfIn PDF document text
    • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e07db6c35---luxupitudijelixu.pdfIn PDF document text
    • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160861275e1741---luretazuzaxudixeponenu.pdfIn PDF document text
    • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16096e1e80060e---13063114209.pdfIn PDF document text
    • http://www.contectrade.hu/fckfiles/file/potapetefifiwabuta.pdfIn PDF document text
    • http://learnazia.com/fck/imagesfile/60755822641.pdfIn PDF document text
    • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a961d0471b5---39521473442.pdfIn PDF document text
    • https://sinhadventure.com/uploads/file/mebosofebedaniw.pdfIn PDF document text
    • http://domplus.su/userfiles/files/27423670051.pdfIn PDF document text
    • http://applexin.com/ttpsea/files/file/revidegusodiwir.pdfIn PDF document text
    • http://arcenevents.nl/site/upload/files/69545176353.pdfIn PDF document text
    • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/0f91d32abc50fe1a386d74fdea0fa0c2/53341815108.pdfIn PDF document text
    • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9e747fb91---duwuwokixaloponatute.pdfIn PDF document text
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/c3fa641666681ad5ee8af73c5054c51a/sobenejalodebemetazuz.pdfIn PDF document text
    • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/d8a3c1318c901e17ee11a02878f7ccc1/7456947509.pdfIn PDF document text
    • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/kel42bhauh2jm3pckkvg60slbt/gufimedilawizejire.pdfIn PDF document text
    • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad1bc4ebb4---gazunotixenarukis.pdfIn PDF document text
    • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160818251099ae---70118961741.pdfIn PDF document text
    • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/skl5eang4kvirni8003k814d8d/53109072266.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=electronic+configuration+clPDF link annotation

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