Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee2393c641f6d252…

MALICIOUS

PDF

96.8 KB Created: 2021-06-28 23:54:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 93818ecfcc1a9ecc8d4f82fea1522217 SHA-1: a068ec1e44f4a7b76e0216b925ae1a18b65a76d7 SHA-256: ee2393c641f6d2526fb7fd9785ec65ce5fefc2358ee0a2f376867e191cc96958
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting an attempt to distribute further malicious content. The presence of external URIs and link farms indicates a likely intent to redirect the user to malicious sites for payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

Heuristics 7

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://inwebjor.ru/uplcv?utm_term=magkano+ang+special+power+of+attorney+2020 PDF link annotation
    • http://budoprojekt.eu/obrazy/file/molusufozades.pdfIn PDF document text
    • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074880e1ebb9---wubajo.pdfIn PDF document text
    • https://lexconsulting.ro/webroot/files/media/30124658711.pdfIn PDF document text
    • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac33f0f0735---17585287122.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc767d8b41---rujomoluganawofijemun.pdfIn PDF document text
    • http://euro-ex.net/images/blog//file/xaluvepan.pdfIn PDF document text
    • https://studiorampinelli.com/file/45617352790.pdfIn PDF document text
    • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4dadb1fd7---zujovunopudogimilafewakas.pdfIn PDF document text
    • http://atdawnwelift.com/userfiles/file/13008181901.pdfIn PDF document text
    • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4a257b321---55637716180.pdfIn PDF document text
    • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d5007806913---10264698888.pdfIn PDF document text
    • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/48f24a2f8fe067023a358d99132b253a/sidilarovora.pdfIn PDF document text
    • https://kaxtongroup.com/home5/maxconne/public_html/kaxtongroup/assets/images/newspostimages/files/laxegafesigovigar.pdfIn PDF document text
    • https://seitonsolutions.com/ci/files/jopojena.pdfIn PDF document text
    • http://easternsheep.by/app/upload/file/98954334103.pdfIn PDF document text
    • http://bitite.lv/media/txt/122/file/nezuluvafudarojubawemo.pdfIn PDF document text
    • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/8b9bf5ea6822081e1a71d15c5e09eed5/85145165751.pdfIn PDF document text
    • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7c393c5c166186bfebd3214d2192731e/17577733281.pdfIn PDF document text
    • http://aucoindeshalles.fr/menu/file/21292021384.pdfIn PDF document text
    • http://kapelski.pl/userfiles/file/39573815752.pdfIn PDF document text
    • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1723ccf6f---32368798802.pdfIn PDF document text
    • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/18c874725bd5d73abc0a13f901d134a4/72955842203.pdfIn PDF document text
    • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081e8323fad6---2627068960.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000115c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115C5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00012dd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12DD7 17292 bytes
SHA-256: 873cd0a1bdf86acba5ab4bb3c156b65e1dba0255f7586b72b6fde9cccc0faee3
font_02_sfnt_off00015b40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15B40 11180 bytes
SHA-256: 26becc8375a7b5f01df4867ed2b49de887e40a815d80bb0f76feafc4937bb47d

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