Malicious PDF — malware analysis report

Static analysis result for SHA-256 09ce78b74c16b3de…

MALICIOUS

PDF

90.3 KB Created: 2021-06-29 16:20:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 632006b3699b123c86d24c69c8e2ea46 SHA-1: 77b342cca1a5423e3c4e76680e61e67abb176c9b SHA-256: 09ce78b74c16b3dee43241b1be23b7af3dc997ed7ebff88afde79f82499ed980
164 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to host malicious payloads. The presence of a 'download button' heuristic further supports a phishing or malware distribution lure. ClamAV detection as 'Pdf.Phishing.Trojan' confirms the malicious nature of the file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9937

Heuristics 7

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://philabc.ru/uplcv?utm_term=the+witcher+2+raven+armor PDF link annotation
    • http://jonkmp.nl/img/cms/file/tezinipunemawokutigisu.pdfIn PDF document text
    • https://wegofa.com/userfiles/file/zuxagetobodozaxukudomo.pdfIn PDF document text
    • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ea2922e02---53855245092.pdfIn PDF document text
    • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076251b71f37---binodepiz.pdfIn PDF document text
    • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c4ae807f7---guzadaragoxilosegefutexi.pdfIn PDF document text
    • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/c9446dvt1qcsh0ae6349ds2non/71715908589.pdfIn PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cef95a44d5---jonisanobuzupu.pdfIn PDF document text
    • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d23b5fa423c---91177072201.pdfIn PDF document text
    • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd102d62efd---jarow.pdfIn PDF document text
    • http://stinpo.com/ckfinder/userfiles/files/39944218324.pdfIn PDF document text
    • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/a6791c8177a7d686fcb652aba3f50c3f/notolupiwu.pdfIn PDF document text
    • http://designpavelzapletal.cz/files/file/nasepekopamegomuwan.pdfIn PDF document text
    • http://gyobel.itpublic/file/87438255928.pdfIn PDF document text
    • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160a6067a1561c---rininadusud.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/2aaad49b67f407ce679e13a167db8294/56275745309.pdfIn PDF document text
    • https://songhong-thudo.com/img/files/jisavosoritetavasi.pdfIn PDF document text
    • http://gerd-pollak.de/userfiles/file/56179440704.pdfIn PDF document text
    • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160706b1553e71---zagedagek.pdfIn PDF document text
    • http://www.asslar.de/downloads/vonasilufekuxovofavu.pdfIn PDF document text
    • https://laflammerouge.ch/userfiles/files/83885354229.pdfIn PDF document text
    • https://lacecinella.com/writable/public/userfiles/file/18276786328.pdfIn PDF document text
    • https://ajwatravel.com/wheelmarine/userfiles/file/nujikut.pdfIn PDF document text
    • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa3100eaeb---76180650095.pdfIn PDF document text
    • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2fc925400---dilisakagaponadaxoxavije.pdfIn PDF document text
    • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084cf7e9693c---mupopijutakipirorebag.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_off0000fedd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEDD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000116f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116F4 10516 bytes
SHA-256: 7db7bce521aa2dc45f3b2be2487375552e30215f8f8d7a867e9336a2cdbdad09
font_02_sfnt_off00012ed7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12ED7 17332 bytes
SHA-256: 422dafccb0f0c60836dd86de16bf1c3bd900d1c338e3473f33c6f58fce84e797