Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ddcd0f5c84d7be0…

MALICIOUS

PDF

92.7 KB Created: 2021-10-05 02:22:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: dc9925d681571d78325e2470d46c0a25 SHA-1: a9ce1e807a65436e1e97b362abb94df328c17a89 SHA-256: 3ddcd0f5c84d7be0d397a7f3447121e4adae6b0c01866679b8af40d8b442da32
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

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://queure.ru/uplcv?utm_term=well+endowed+lady PDF link annotation
    • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16152115ec18e1---8490262901.pdfIn PDF document text
    • http://baominhlabors.com/upload/files/rufubobawapavewaza.pdfIn PDF document text
    • https://franciscovalles.comtraining.cl/userfiles/files/83721712743.pdfIn PDF document text
    • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/abc3f34fb072130ab5544252a2259704/zirixisifav.pdfIn PDF document text
    • http://media-production.net/admin/ckfinder/userfiles/files/24666881780.pdfIn PDF document text
    • https://matfreklam.com/calisma2/files/uploads/vifoferoroguvivoxaro.pdfIn PDF document text
    • https://balmbeach.hometeamcorp.com/images/usr/babipimojewikazuwidodape.pdfIn PDF document text
    • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613719f8f051a---siwebozefegawibatibaneji.pdfIn PDF document text
    • http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gikajozekipemaju.pdfIn PDF document text
    • http://dongshengcable.com/images/upload/File/fabodirimexizo.pdfIn PDF document text
    • http://learnazia.com/fck/imagesfile/losif.pdfIn PDF document text
    • http://wangguanhardware.com/userfiles/file/jipiritamosakomebupamibax.pdfIn PDF document text
    • http://abwmercury.com/uploads/files/92821845548.pdfIn PDF document text
    • http://depcip.com/app/views/panel/ckfinder/userfiles/files/memap.pdfIn PDF document text
    • http://studiolegaletrotta.eu/userfiles/files/moraverogejadi.pdfIn PDF document text
    • http://topmebli.com/content/xuploadimages/file/50305706150.pdfIn PDF document text
    • https://chambres-lannion.fr/userfiles/file/9181114503.pdfIn PDF document text
    • http://rakkhunnursinghome.com/user_img/files/tegezuxugenibu.pdfIn PDF document text
    • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614069d172e28---79247735889.pdfIn PDF document text
    • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fde116b8fb---robuvexakuvozo.pdfIn PDF document text
    • https://hasekei.jp/userfiles/file/58815372868.pdfIn PDF document text
    • http://geose.ru/userfiles/file/59791809036.pdfIn PDF document text
    • http://lexen.ca/userfiles/files/26396159857.pdfIn PDF document text
    • http://kalkulacka-hypo.cz/userfiles/files/wekupakutigeporozesomidi.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_off0000ffde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFDE 21520 bytes
SHA-256: 6305b0c03c908b0512404215f28255974386032d92aed514d130be37c08ae419
font_01_sfnt_off0001373c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1373C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00014f52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14F52 9976 bytes
SHA-256: f27c1dc3f891cf06004137cfe5b112d507dd285995c2fa0129e81a57f04db0fe