Malicious PDF — malware analysis report

Static analysis result for SHA-256 69c6d0bed9aeda3a…

MALICIOUS

PDF

72.3 KB Created: 2021-07-18 23:45:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 02b7939c9a2ec9250a28c19e7c761bf6 SHA-1: 63c897658d99111bb2c987579ae437722b9a292e SHA-256: 69c6d0bed9aeda3a005afbc69e7ffca8540d835cd76f1cc1c7f91f24597179c6
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as a phishing trojan by ClamAV. Static analysis revealed it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing pages, indicating a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4729

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://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/851737890e2f5b6b54c72f2cf335ad58/fesawivudofibizodigofe.pdf
    • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b3c38b71c---84029869978.pdf
    • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/g03o6otung3mao9a7m1j1oucp6/55283197927.pdf
    • https://autosaloncenter.com/uploads/file/4025786161.pdf
    • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc0863deba---nedusisuvididagujogodezu.pdf
    • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846a1009c27---36022987738.pdf
    • https://cualuoihoanmy.com/uploads/userfiles/file/tuganijovokekif.pdf
    • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/59c6586d1f58a0620d6b380d024f9dc1/38617159967.pdf
    • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e95f873f240---xotinuroxubaz.pdf
    • https://doganagolosa.it/file/gemekidinu.pdf
    • http://porpora.biz/imagenes/imagenes_contenidos///61545117045.pdf
    • http://drivingschool-brno.eu/files/9100379836.pdf
    • http://aiswaryamatrimonials.com/fck_uploads/file/linupukabuma.pdf
    • http://sevoir.hu/uploads/file/39523476397.pdf
    • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608c68d4d4a85---panebadabotemuj.pdf
    • https://sailstudy.in/ckfinder/userfiles/files/19155656967.pdf
    • http://animalscipublisher.com/files/upfiles/file/levez.pdf
    • https://istocdukkan.com/userfiles/files/61986090141.pdf
    • http://studiostocchi.eu/userfiles/files/pedomezupugelowixu.pdf
    • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16095485c7bf1a---vurugeginipok.pdf
    • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/mdf4c00k98u4rungt0br9ko3nk/sulakakegunu.pdf
    • http://vinag7furniture.com/app/webroot/files/editor_upload/files/66987065162.pdf
    • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16990b4a66---pozizesajaz.pdf
    • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/68080ceb7fcb4136a6907c8ebe6cf058/71191998967.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=character+sketch+of+jessica+in+merchant+of+venice

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