Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2026c8c357c02c…

MALICIOUS

PDF

67.8 KB Created: 2021-08-04 23:46:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 33a62ef572395f92b952ab43783fb23b SHA-1: 5aa0b2957bb1025a96471b480188d3d7b118d085 SHA-256: af2026c8c357c02ccf49b7137fcbc44e9a2298a2d7d4773bc56d2f912225b47e
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link farm pointing to multiple compromised WordPress sites and disposable domains, likely intended to trick users into downloading malware. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent. No scripts were extracted, but the structure suggests a phishing or malware distribution lure.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4816

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 http://munnarinfo.in/userfiles/file/vemote.pdf In PDF document text
    • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ea2237211---gebotub.pdfIn PDF document text
    • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/02517d31912f88f341dbf6ecc89680c6/wegufatowiloverapejirudog.pdfIn PDF document text
    • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/4f0b6e7556e5f1ad8c5ae990bd4f1d10/27126265942.pdfIn PDF document text
    • http://americanewbie.com/userfiles/file/67628191312.pdfIn PDF document text
    • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7857cc87c6---44332022979.pdfIn PDF document text
    • http://euroear.eu/ckfinder/userfiles/files/zosema.pdfIn PDF document text
    • https://tecnibat.net/uploads/archivos/82665719339.pdfIn PDF document text
    • http://transbur.ru/admin/ckfinder/userfiles/files/97275847150.pdfIn PDF document text
    • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/de062dea9d06648a231fb4e984d5a314/loluvozoxowefesonuzatif.pdfIn PDF document text
    • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607885ac56a09---jazalojofevalopidu.pdfIn PDF document text
    • http://stacjaregeneracja.pl/userfiles/file/91013169591.pdfIn PDF document text
    • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/5e98ff82aa63463cd5bf06c0a1c4736b/57944389225.pdfIn PDF document text
    • http://polyacer-ecp.com/userfiles/files/20210706_134847.pdfIn PDF document text
    • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16085e666e4b9e---resezoxujogefulaperalep.pdfIn PDF document text
    • https://china-glass-mosaic.com/userfiles/files/20210705_194532.pdfIn PDF document text
    • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074d4bbe9dbf---39151113923.pdfIn PDF document text
    • http://qhzs88.com/admin/fckeditor_upfiles/file/2021061120490880554.pdfIn PDF document text
    • https://alihuata.com/userfiles/file/suzilawoxovew.pdfIn PDF document text
    • http://webhenevents.com/clients/868374/File/67887867729.pdfIn PDF document text
    • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccfac00c0d---bojojekodobejavaketuwogeb.pdfIn PDF document text
    • https://creativitagh.com/pevron/www/img/file/25523366335.pdfIn PDF document text
    • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/763f8c84d1dbe5d97e7c5489d75c2359/bopun.pdfIn PDF document text
    • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f38ffed1c9c---69481580866.pdfIn PDF document text
    • https://bleikss.com/userfiles/file/gumorurute.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075978adff20---sofukomusisep.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=download+dragon+mania+mod+apk+2021PDF link annotation

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