MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://nuitsdartistes.eu/images/file/80792481618.pdf In PDF document text
- https://gangwontaxi.com/FileData/ckfinder/files/20210628_A0A08EF9BA22C6A3.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/642fcde1e6d4f1397d12d53306eb2b06/kuzowiropebakanolinesow.pdfIn PDF document text
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/582464ab2be9c151f5396941dcaa7d47/xememivoxeda.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754d5e23852---7603031034.pdfIn PDF document text
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6cee8105e03c96e0d1ce14e6e400012c/89465361905.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/55af044bbde0ad361d389e9b4aa9c3bf/fopepuvekarupewexiraw.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/d0dee3080dd1fae5f9e3de8936b80a29/27675676908.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/7803042027.pdfIn PDF document text
- http://josephlillianmorrisfamily.com/clients/59960/File/makezuvafevodol.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/nar3ckqqm8l1vsihcsnblsmpae/gixibuvefidudibakelilugak.pdfIn PDF document text
- https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/4kp0fo5um1vs4uqdhtjm9qpgt9/wololenosebuzifubej.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/7eacf70e43848f51e33792dc356e65ac/22307879282.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/0uph5hco70161ov800tt2i9b1m/polidesovazifi.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/vizerigumosudorixavoko.pdfIn PDF document text
- http://kawoka.com/userfiles/file/37065775533.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16078490181fd4---lekabevip.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/5a7fb45da05d59016d366d1489e7f713/59607994995.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5403c92435---25967105565.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/58174262159.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/banuvape.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2a5104a74---59954275249.pdfIn PDF document text
- https://residenciasanamaro.es/userfiles/files/4488489706.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=indian+contracts+act+1872+pdfPDF link annotation
- https://bit.ly/34Ej507In 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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000100c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C7 | 16180 bytes |
SHA-256: 6adeef8c2eaa969089ea1df4ad7efc476a1a68ea345f2d439539e3852666c8ac |
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font_01_sfnt_off00012a91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A91 | 10816 bytes |
SHA-256: 6713f191d18244677fe1b076376b1d99e9371372a552389c2f358121d3a0c166 |
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font_02_sfnt_off000143c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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