Malicious PDF — malware analysis report

Static analysis result for SHA-256 08725495e622e93e…

MALICIOUS

PDF

65.1 KB Created: 2021-06-30 09:14:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: 2bc923986501172c1de572fa3cf60877 SHA-1: 1843cb19ae8d037ed0dfe6679595c391eef5aa42 SHA-256: 08725495e622e93e91c99d0cc69e56512237f8e5dd4de784e9067c39c604544a
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file was detected by ClamAV as Pdf.Phishing.Trojan. Static analysis revealed it functions as a link farm, containing numerous links to compromised CMS upload storage. These links likely lead to phishing pages or further malware, indicating a malicious intent to deceive users.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4986

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 http://udelimpa.es/ckfinder/userfiles/files/lofawaxakuzinorapev.pdf In PDF document text
    • http://ubestsports.com/imager/files/20210619203243.pdfIn PDF document text
    • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c370a9373a1---62072148405.pdfIn PDF document text
    • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/nhgtq274q6ebhsj9dljeat2n73/16863493217.pdfIn PDF document text
    • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/c0d4c6ca8efd41c073ba07f92fc98947/sogobadakodam.pdfIn PDF document text
    • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/b15e2dd71c2133afc522a1fbe6b0ec41/zotijabedapu.pdfIn PDF document text
    • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/f27e52f678cab55a8080639a8507aaac/vuxokodakazomakexixamoni.pdfIn PDF document text
    • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/nmfpiokkrh330sivfif4t6g3j5/zeduzudonada.pdfIn PDF document text
    • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/amu1seejotd6nf3t56pjde1hl5/rugatesokidopegaruged.pdfIn PDF document text
    • http://geometrabottero.it/userfiles/files/jijubolatakuvewetupokop.pdfIn PDF document text
    • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/65337753275.pdfIn PDF document text
    • http://chinoboxingclub.com/clients/36032/File/49731292199.pdfIn PDF document text
    • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7997afd52---59075951930.pdfIn PDF document text
    • http://crmrealty360degree.in/userfiles/file/67981976036.pdfIn PDF document text
    • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606f57e02d9ab---muginexa.pdfIn PDF document text
    • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160cf64125edfa---76013319210.pdfIn PDF document text
    • https://alkalacarservice.com/public_html/userfiles/file/kifolozozewepumemewa.pdfIn PDF document text
    • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca6acf1846---22362925937.pdfIn PDF document text
    • http://jjinline.org/file_upload/file/31915896636.pdfIn PDF document text
    • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/e6q130dcc34344f88ka57ibru9/meralumozej.pdfIn PDF document text
    • http://kadh.kr/bobod/upload/file/kobudarajumujafebuba.pdfIn PDF document text
    • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/4f253abb10e555ee650b810eeb266fa5/24191553466.pdfIn PDF document text
    • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/r8sctvuah4u8rc2c3ch0f5eqhu/vuwipalalusuzuvanogetew.pdfIn PDF document text
    • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b9854a544---fazuvudewofimagajebiko.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+stop+robo+textsPDF link annotation

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