MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of multiple external URIs and the nature of the link farm indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cce7f570cf---35613070323.pdf In PDF document text
- http://skupka54.ru/upload/m/91650562781.pdfIn PDF document text
- http://gpshardorawal.com/hemkunt/userfiles/file/72093603950.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080c5926bbba---gafelulaziputodu.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/cimp8pn6nd6t6ohntd44s6s9oa/97751405602.pdfIn PDF document text
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/53117793896.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/ruzetoroxisekemaro.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607092dcd3ffd---50822106174.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607580e6928ef---25057591051.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c04f845ac---74738323779.pdfIn PDF document text
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160813fbd6518d---46230260116.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/85ea549baa4cbea41c08fd05e5968831/nisoganebedize.pdfIn PDF document text
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/1e403fbe1d0f8ed7a95f6198951d975a/pebizijizusulosuraleloxob.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/53e694b2ad11328db6f2bf99ddd84434/62360927151.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/17094804009.pdfIn PDF document text
- https://taevlingar.se/images/pages/file/posemokexabotal.pdfIn PDF document text
- https://brod-plovdiv.com/images/31295993061.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210816_1B0F6D40A6110AB4.pdfIn PDF document text
- https://itexpertdog.com/upload/files/wowotunejuforowivuxute.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7e71ba6fc---tofitilaku.pdfIn PDF document text
- http://caratow.nl/userfiles/file/nobimonesadi.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/52339962970.pdfIn PDF document text
- http://poorclarescork.ie/images/baladowaxada.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=the+introverted+lawyer+pdfPDF 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A9 | 18268 bytes |
SHA-256: 23175f1408e54524926b91b2a13418ebeef9fbc9a8cdb084466fe941e9c4a922 |
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font_01_sfnt_off00011020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11020 | 10656 bytes |
SHA-256: 062b5dd3fbb7b42da53d9bdf5c07c08e873da7455d6c22e875ef039e000e5c95 |
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font_02_sfnt_off00012889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12889 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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