Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d68cae9634a42cf…

MALICIOUS

PDF

89.9 KB Created: 2021-06-28 03:45:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: ddb9dabf97b25c8f0052394db557b23b SHA-1: 0dd820f57887be195ffb5b8065321787e2c3bab8 SHA-256: 5d68cae9634a42cf337bfcb1d987d8fb81fbbe2ece2b588f58f487c12890b17f
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that contains numerous links to external websites, many of which are hosted on compromised CMS platforms. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9966

Heuristics 6

  • 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
  • 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 http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/657832484152b119e8c142aa0295b803/norovufozeruwiposome.pdf In PDF document text
    • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/ch7p8b35vfoqg20o3td7ga2p1i/zafezob.pdfIn PDF document text
    • http://botosani.ro/img/uploads/file/9553749334.pdfIn PDF document text
    • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fvi6g8hesi7kih65s5h066fpu0/dopixipuwawixujino.pdfIn PDF document text
    • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/914e3c394dc792fe54b48e21f40422ce/vujopijuzimifo.pdfIn PDF document text
    • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/1fa87972b40d327d3d443679866eca55/94986541741.pdfIn PDF document text
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160831e829db1f---40048931602.pdfIn PDF document text
    • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/50fb8db51a2280b5ba001a7a7ac60465/48706151683.pdfIn PDF document text
    • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/d5e78c6ed3cd1683e1f614606d01a46e/jonikomirefosakuluvafubo.pdfIn PDF document text
    • https://fceresources.com/ckfinder/userfiles/files/lojafikutijabesisaso.pdfIn PDF document text
    • http://www.hussco-steel.com/husscofiles/files/zetifokekanuforajetenatil.pdfIn PDF document text
    • https://infrastone.com/userfiles/files/15789189334.pdfIn PDF document text
    • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/bb69d427f51921691c263bd7462331c2/mojiguso.pdfIn PDF document text
    • https://cambodiadriverservice.com/userfiles/file/86511290411.pdfIn PDF document text
    • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/c916a00bc3e9941c97456b3d57e8020a/62335482801.pdfIn PDF document text
    • http://quaretti.it/userfiles/files/wawurabipugoditavinipa.pdfIn PDF document text
    • http://aep-tc.com/cache/fck_files/file/54700508673.pdfIn PDF document text
    • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/bf152ea4125054751829f16fc960b2b6/pikizira.pdfIn PDF document text
    • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c8735aad1---jubegoxukizolafebaxuzixe.pdfIn PDF document text
    • http://ed-web.cz/userfilesfile/kubukidom.pdfIn PDF document text
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160818d82b4728---wolerejubafirevipud.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=daily+bodyweight+workout+routinePDF link annotation
    • 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_off0000fcec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCEC 10892 bytes
SHA-256: d1811fb77d84ff1dd7f0d80cc3abf0f6cff90db8c30e7191685b85d668f7b84f
font_01_sfnt_off000115e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115E1 17328 bytes
SHA-256: ce2f3c466b2efc42054b90c077683ae462fbacc1e9bcdee051de7615b36a733d
font_02_sfnt_off00014247.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14247 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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