MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by a machine learning classifier and ClamAV. It contains a link farm with numerous URLs, many hosted on compromised websites or disposable domains, suggesting an attempt to redirect users to malicious content. The presence of multiple external URIs and a link farm heuristic indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://kite-surf.sk/files/betazex.pdf In PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/c981d6fd478a2ef2813ba8b30c51d529/91189634304.pdfIn PDF document text
- http://hoadondientu-ptp.vn/images/ckeditor/files/pugip.pdfIn PDF document text
- https://apra.pl/files/file/8765025266.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/winuzin.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613034d613a36---7977551837.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/bamufolisiju.pdfIn PDF document text
- https://dongcohonda.com/userfiles/file/11129197229.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/a8234f6a2a2ba946eaaffebcbc92993b/6243926764.pdfIn PDF document text
- http://turinimoti.com/assets/userfiles/file/39648948446.pdfIn PDF document text
- http://life-homeshop.com/asset/uploads/files/45262022478.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b022c78b6---9202652134.pdfIn PDF document text
- https://southernwashpros.com/nbloom/fckuploads/file/66250286417.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/20124181913.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ktkg3esosqrgl9r207srojmpfv/giwotaxirika.pdfIn PDF document text
- https://nordiskvillaventilation.dk/userfiles/file/subenopogeboxu.pdfIn PDF document text
- http://www.musicboxpiano.com/contentfiles/33808848318.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/kofurelexaja.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16130f1a81e3b2---30284015409.pdfIn PDF document text
- https://ringid.vn/ckfinder/userfiles/files/wuvefudujikeruremibaseriw.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614408231a17b---vunumemumex.pdfIn PDF document text
- http://net-work.cz/data/file/daxojitere.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210905163031.pdfIn PDF document text
- https://netcsemege.hu/ckfinder/userfiles/files/40765348895.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=rick+and+morty+season+5+episode+4+full+episodePDF 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_off00010d6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D6B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12582 | 11344 bytes |
SHA-256: 951766fdaaffe1cd69b2d0a86f294f3460d95a54ad2531243b846104d22137d3 |
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font_02_sfnt_off00014053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14053 | 19004 bytes |
SHA-256: 3de717e7f774e48565902795a4545c8c22bc996cdd87c814f7e889fc2ad33c15 |
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