Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eed60f0fabe8e11…

MALICIOUS

PDF

97.3 KB Created: 2021-06-26 05:47:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: d919de248adc4b80e7fca61ff6d01616 SHA-1: 34d42b56118bf9f3c9525d8fea2af11107782256 SHA-256: 1eed60f0fabe8e112942e28e896b50b1d566b6f50b174f97869f71a7383dbf4c
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was identified as malicious by ML classifiers and ClamAV, indicating it likely serves as a phishing lure. The file contains a link farm pointing to numerous compromised WordPress sites, suggesting an attempt to redirect users to malicious content or further stages of an attack. The presence of multiple external URIs and a link farm on disposable hosting reinforces the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9820

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://motacademy.it/file/negufutuxasas.pdf In PDF document text
    • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c25255545b3---zikenimiziju.pdfIn PDF document text
    • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/a347bedcab8fc0b024a78fb934c36913/89129497788.pdfIn PDF document text
    • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/25d2f4bdb2c7a4dfda6faec795960adb/murevosasiwelonale.pdfIn PDF document text
    • https://abeess.com/userfiles/file/8769997658.pdfIn PDF document text
    • https://adsbudget.net/userfiles/file/fanuluxejis.pdfIn PDF document text
    • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/1c0c4f328472879a36eacd87c807274c/87838232905.pdfIn PDF document text
    • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/002e0ffc389acd994ad5f7b1e408aa3b/zuzarixavebokojose.pdfIn PDF document text
    • https://digitaldaya.com/imagenes/file/malodapefetekari.pdfIn PDF document text
    • https://hoangnhataudio.vn/media/files/485827863.pdfIn PDF document text
    • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c12cac92119---34139458960.pdfIn PDF document text
    • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdffe617fd---zexukekuzu.pdfIn PDF document text
    • https://ahreco.com/uploads/news_file/viwipamiraxitak.pdfIn PDF document text
    • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0d7f27090---muzavuvikimezexemukad.pdfIn PDF document text
    • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16096d964af59e---ririkojuxukomilikawapax.pdfIn PDF document text
    • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a18811855cf---20629998176.pdfIn PDF document text
    • https://bjjewels.net/nbloom/fckuploads/file/12297404235.pdfIn PDF document text
    • http://alnadaoil.com/userfiles/file/31176881494.pdfIn PDF document text
    • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ab57e3aa25e---tigozebutubube.pdfIn PDF document text
    • http://sacoorhealth.pt/site/upload/file/ritikokefatexuvebu.pdfIn PDF document text
    • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ef156cbea---pejuke.pdfIn PDF document text
    • https://pathakpharma.in/singhania/downloads/file/zuzukuvogijodawoxeda.pdfIn PDF document text
    • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/odq7sf0csfdejuf7ves3o0lve5/47770079882.pdfIn PDF document text
    • http://cainghienbinhduong.com/uploads/userfiles/file/pebugukejufumopul.pdfIn PDF document text
    • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609223cef21a6---dodoroziporanajab.pdfIn PDF document text
    • https://dildendilecevirievi.com/upload/ckfinder/files/47177778358.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mission+canvas+modelPDF 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_off00011963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11963 10392 bytes
SHA-256: fe63a7a5ec0e8e9c72214d2a796ed195421fcbce9ea0345590a35154f4ef7f1b
font_01_sfnt_off000130e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x130E5 17344 bytes
SHA-256: 7b65c146ee71facdc02869fa11101728da5a3383005a889638054891494d8d54
font_02_sfnt_off00015e72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15E72 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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