Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f7e4d4d603cd418…

MALICIOUS

PDF

87.5 KB Created: 2021-06-29 12:16:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: d4738b47e47e6e25f744b8e0af0c8d50 SHA-1: ab018c2d602d650b45a9d8fcbe9cc180cecbd610 SHA-256: 7f7e4d4d603cd418ab845a82f90068be49d9261ee4f1a4de6fe0a6b5c42027e5
164 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute malicious content or phish users. The presence of numerous unknown URLs hosted on potentially compromised sites reinforces this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1b2de5158---tozijefisez.pdf In PDF document text
    • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/itrv6gs40oijj7e25al0fuhe0m/fugonatutinuxevo.pdfIn PDF document text
    • http://abbwingslynnhaven.com/uploads/files/jemawi.pdfIn PDF document text
    • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/bdc10c06f495361931524001f4020492/pawawusewove.pdfIn PDF document text
    • http://crystal-lamp.ru/uploads/files/62834552065.pdfIn PDF document text
    • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c12a741905---wojipunug.pdfIn PDF document text
    • https://nucamsa.es/userfiles/files/95629606427.pdfIn PDF document text
    • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/f9c0bc701e653014307303b8580dd5ea/nozudabizebexavumixuru.pdfIn PDF document text
    • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb8c7ca989---dedukekepapu.pdfIn PDF document text
    • http://nappsa.org/userfiles/file/napidupizeb.pdfIn PDF document text
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19b554a5a6---64397642451.pdfIn PDF document text
    • http://zabradli-znerezu.cz/userfiles/file/60664694875.pdfIn PDF document text
    • http://kpdb.org/userfiles/files/bodedosidedefesu.pdfIn PDF document text
    • https://mtmnetwork.net/uploadEditor/files/82470811997.pdfIn PDF document text
    • http://ccspevents.com/clients/24998/File/zenuletonukogawevotixot.pdfIn PDF document text
    • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc18f5d2da---gebux.pdfIn PDF document text
    • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3461e2863d---59623705171.pdfIn PDF document text
    • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6e08e9988---7562799407.pdfIn PDF document text
    • https://safrano.pl/userfiles/file/bowolizojoditeg.pdfIn PDF document text
    • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078aded54755---59112597375.pdfIn PDF document text
    • https://bcbc3399.com/upload/files/judep.pdfIn PDF document text
    • http://metalzilembo.it/userfiles/files/92884928606.pdfIn PDF document text
    • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7c55e5674---19286372090.pdfIn PDF document text
    • http://sistersaviopublicschool.com/userfiles/file/vonebomejapagavagigedoz.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=where+to+watch+india+vs+england+livePDF 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_off0000f0dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0DD 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off000108f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108F4 10796 bytes
SHA-256: c9f17b3cfbf740d427769875a82cff7c56796b80eaee4addda099317a8f7b74f
font_02_sfnt_off000121a2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121A2 17724 bytes
SHA-256: 95094a34bf7df2941e190822a5bd9c8deb69364499d71b890fea9d3b25cae8d0