MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external PDF files, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to distribute malicious content. While no scripts were explicitly extracted, the nature of the links and the detection 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-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://suachuaspa.com/upload/images-content/files/2827605140.pdf In PDF document text
- http://ndt-ultratech.com/files/93452603761.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/9c4c84a4709c93292c3b9a43c3abf40b/96701235739.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/xowakuje.pdfIn PDF document text
- http://terralindahigh1981.com/clients/866868/File/4740239600.pdfIn PDF document text
- http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/sovenizarizuvuwugimefige.pdfIn PDF document text
- http://yljx.cn/images/upload/File/98449493278.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/zemuzukedad.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607a97b958746---33658380841.pdfIn PDF document text
- http://ehsclassof88.com/clients/7/7f/7f6c4973f16106f9a1f2948091db50b4/File/fedukuzosin.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/d3936d5da428e8c22f8bd4e2551c8b88/semowosilakux.pdfIn PDF document text
- http://goldmustang.ru/files/files/2397265043.pdfIn PDF document text
- http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/kifavaliguj.pdfIn PDF document text
- https://beyondpins.com/calisma2/files/uploads/18408609946.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091cbcfbf6ec---11998756983.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e94bf85cfc---sanagofonekizi.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/4448f7ec2e71ea85163a8eec6058f363/38833341287.pdfIn PDF document text
- http://megalabsrl.it/userfiles/files/defiwuxagelakaduka.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611abc9909f17---51073632872.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/9f9744c80a2e55f1d2971af9d8ee8bce/87932585664.pdfIn PDF document text
- http://ctyrkolky-gamax.cz/data/dokumenty/92661399343.pdfIn PDF document text
- https://glaze-metalart.com/upload/files/14865375223.pdfIn PDF document text
- http://bycongroup.com/UserFiles/file/zisuwigupabigexo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=proud+to+be+an+indian+meaning+in+marathiPDF 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_off0000d7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD0 | 20988 bytes |
SHA-256: 560015dc306c9058ce9586b58dc040fb8524e50e23fb9e442011452f4482f34c |
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font_02_sfnt_off000126cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126CD | 10724 bytes |
SHA-256: 8aa1edc5564317f917351f3efdfd07787ec39cee68cbe49b89245e9357b8cb96 |
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