Malicious PDF — malware analysis report

Static analysis result for SHA-256 e19c45c76577d043…

MALICIOUS

PDF

63.8 KB Created: 2021-06-29 13:54:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 86facc30a76ccf52d789ff8683278705 SHA-1: 46f65f07ebcbe7994804ba3dfeebf2d0f6eee98c SHA-256: e19c45c76577d04357f741d796d4c41f5c5fdda451966fd438a58d9686c8ed32
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of a URL with 'crack for adobe photoshop 2020' in the query parameters indicates a likely phishing or software piracy lure. No scripts were extracted, but the structure and URL patterns strongly suggest a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6844

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://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f673c1e671---lorulezekoxinus.pdf In PDF document text
    • https://alakharia.com/public_html/userfiles/file/89435329341.pdfIn PDF document text
    • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1139187964609ed77f55d4b.pdfIn PDF document text
    • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/kv1kebcupsk3takljfrelg9d5j/xijofibevosokisirowotopi.pdfIn PDF document text
    • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/dfb19e4ffe4f4036f56d85a2c10704de/wariwuzejelijutojewed.pdfIn PDF document text
    • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/b07f1286daae1484ff4a1ed7a798a052/tatidu.pdfIn PDF document text
    • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/8ccfed14a7ee50093a55fbde4118aba4/fubelolupakalenixabes.pdfIn PDF document text
    • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/b193288f755a1934821ba265f96420fb/pupesiwesuvagov.pdfIn PDF document text
    • https://strechybenesov.cz/content/65402361791.pdfIn PDF document text
    • http://garantc.ru/userfiles/file/93326174780.pdfIn PDF document text
    • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/c22117e3b686e277840f936fa5a98131/57643196345.pdfIn PDF document text
    • http://autohondl.cz/userfiles/file/27713280466.pdfIn PDF document text
    • http://szpital-sulecin.pl/images/fckfiles/file/vemekegemejunuza.pdfIn PDF document text
    • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5af520cc02---57519521580.pdfIn PDF document text
    • http://inbjnews.com/data/cheditor/0603/files/kematorep.pdfIn PDF document text
    • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/aff72716c121ae0ad6ba0b75e1894160/37505365943.pdfIn PDF document text
    • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/6b5cacf04ba3623879c0af2776568bc3/58599562407.pdfIn PDF document text
    • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1ef107e8f07f498e83dc7d3fbd6fddcd/tijapikiwefu.pdfIn PDF document text
    • http://www.ecvbrass.ch/user/web/file/kobujuguwoluk.pdfIn PDF document text
    • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/68b71e14dea4059e43fc661409583fe3/tiwezorewegemul.pdfIn PDF document text
    • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/977ec298e0bf1ca147764340dfdab2f4/somisifopod.pdfIn PDF document text
    • https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/f85fe987e2efb42449f9b83320694dd7/71976595053.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=crack+for+adobe+photoshop+2020PDF link annotation

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