Malicious PDF — malware analysis report

Static analysis result for SHA-256 3355e5f4b878916e…

MALICIOUS

PDF

62.3 KB Created: 2021-09-03 21:38:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 72ddb581920fa14d42ea9ac9b295d62e SHA-1: 46eb76bb8ff61b17a23540866f8f79dffabd32ff SHA-256: 3355e5f4b878916e856e35cfa793b9e78c295932cf501e9a02615c908450290d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many hosted on compromised WordPress sites, suggesting it's designed to lead users to malicious content or phishing pages. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a malicious intent. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with a phishing or malware distribution lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6040

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 https://chcial.ru/uplcv?utm_term=orthodox+bible+english+pdf PDF link annotation
    • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a612e73dfbb---tasuvofesij.pdfIn PDF document text
    • http://agrion.org/upload/fichier/losenofaretefowepujevo.pdfIn PDF document text
    • http://ohappy.org/userData/board/file/15878877944.pdfIn PDF document text
    • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611079de5db14---52855406999.pdfIn PDF document text
    • https://reniuved.it/file/zulaliduruzanuvarilev.pdfIn PDF document text
    • https://renetravel.ro/images/files/zigitibexavumaridofem.pdfIn PDF document text
    • http://poongdung.com/FileData/ckfinder/files/20210619_D102A45F55061D16.pdfIn PDF document text
    • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/b80d9dbd80e01524bd5e94d82660dc09/427047295.pdfIn PDF document text
    • http://szyoujin.com/UploadFile/file/20210808233206488.pdfIn PDF document text
    • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ed27c008f95---powatido.pdfIn PDF document text
    • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3b38ba40f---xisidowin.pdfIn PDF document text
    • https://ludifrance.fr/userfiles/file/damamafolino.pdfIn PDF document text
    • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b61686807---madanu.pdfIn PDF document text
    • http://geteffective.biz/uploadfiles/file/21478691625.pdfIn PDF document text
    • http://pappteam.hu/userfiles/file/74792494127.pdfIn PDF document text
    • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160891fedcd872---zotekujatekawo.pdfIn PDF document text
    • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/a6490b13b746eb877d4b3e376a0b1295/23344939079.pdfIn PDF document text
    • https://forumhrdbekasi.com/webroot/userfiles/files/vesumi.pdfIn PDF document text
    • http://npi-management.com/ressource/site-image/files/gakowupurusuk.pdfIn PDF document text
    • https://www.carrentchiengmai.com/files/7391591533.pdfIn PDF document text
    • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a39b547b1---kijebodukawogedizurigus.pdfIn PDF document text
    • https://taybaite.com/userfiles/file/ribonuzufofogega.pdfIn PDF document text
    • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609845e9e74d4---17195398457.pdfIn PDF document text
    • https://mcsfood.com/images/file/53386821113.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.