Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eb0304ee2c2245b…

MALICIOUS

PDF

87.6 KB Created: 2021-06-30 16:12:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 2cca29f871a23d18a6f9820fd04d141c SHA-1: db00e7a196c332000bcb7ae1f084e7b75bcde6c6 SHA-256: 8eb0304ee2c2245bb3eb38be74f186b09477745396b2cc832d1506b37046449c
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to direct users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9835

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 https://brune-schmuckwerk.de/ckfinder/userfiles/files/rulumixebomutagunojav.pdf In PDF document text
    • http://ipceurope.eu/assets/file/pofopiwete.pdfIn PDF document text
    • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/1301766d2e5d66d4f805ef718e7416ef/gokilagozuzubokidevemado.pdfIn PDF document text
    • http://minhanh.com/files/33761161790.pdfIn PDF document text
    • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/ha75cjgmaik6m975rtjv28ae6r/23317598112.pdfIn PDF document text
    • https://delcinfo.ru/img/files/files/36196666956.pdfIn PDF document text
    • http://anhuizpyy.com/upload_fck/file/2021-6-17/20210617184942187807.pdfIn PDF document text
    • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160902a1518133---58524746879.pdfIn PDF document text
    • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9a58623c1---ziwesitedotupa.pdfIn PDF document text
    • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d0ccc626069---tosoxudodatoxowiforozu.pdfIn PDF document text
    • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/25009d68f8dd38803019e9b4e97e5a06/furamiwivip.pdfIn PDF document text
    • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8a216f4d2---23997545570.pdfIn PDF document text
    • http://agiusfuneraldirectors.com/files/file/gejolomi.pdfIn PDF document text
    • http://accessiblevehicleservices.com/userfiles/file/86694781678.pdfIn PDF document text
    • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/vhrn8p71ijduh96p4fnc2nvq5g/balefaz.pdfIn PDF document text
    • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a61834e41a7---luwijanomemug.pdfIn PDF document text
    • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607f719309317---jezuretapiso.pdfIn PDF document text
    • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/16f407af7570f836443b61f42505d4ea/59394318773.pdfIn PDF document text
    • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/ceuuv97imngl06lvocq7k94l30/75170646597.pdfIn PDF document text
    • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/9a495f40717ccb0efb84096a9ad87ead/73935979565.pdfIn PDF document text
    • http://brandnewgoods.net/userfiles/file/83387186603.pdfIn PDF document text
    • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/ec95cd968fbb5f6e53011b93006638fc/wejizivutudabikuk.pdfIn PDF document text
    • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/d4l8ekd2l2odoufu6fhlqt7r9h/lozetigatejinezulurubutin.pdfIn PDF document text
    • http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/15698542269.pdfIn PDF document text
    • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf6d2dc1e2---pevakugesalumizepovexijo.pdfIn PDF document text
    • https://ooo-kenk.ru/userfiles/file/resudipudasufawi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=when+was+the+olive+branch+petition+writtenPDF 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_off0000f470.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF470 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00010c82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C82 16944 bytes
SHA-256: 9f9e6a1270c7b575f6ec349f754e9867f6780957299045c816dcfb9581c78602
font_02_sfnt_off0001386b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1386B 10756 bytes
SHA-256: 9575c2c6e8bc7a6101c7b63956c234f21c14905f48c3cf373189836e927a9448