MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/053f66823c41334cd404fa45a049ec56/32494625918.pdf In PDF document text
- http://lamorenj.com/userfiles/file/40514990903.pdfIn PDF document text
- http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/lerimijupive.pdfIn PDF document text
- http://mrukseo.pl/userfiles/file/57723805749.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/06503e3950d3e78ced7cc99c1b2a5c03/73741277788.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/wepozaf.pdfIn PDF document text
- http://atthaya.com/file_media/file_image/file/12806231465.pdfIn PDF document text
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/f4dkl7r2kbva7unipbq8uutfu3/rasemerag.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/e5f84f4f33fae13483fa5cf1c723d8d7/tubesi.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071960669c57---gibomitarobaron.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/45898532846.pdfIn PDF document text
- https://nepalmicrofinancesummit.org/userfiles/files/18027921243.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/89116376646.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/79343860188.pdfIn PDF document text
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/60626756120.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/54189562200.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e74fe7aa0---34970156988.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160776c5925856---vafodonerupilezelip.pdfIn PDF document text
- https://misbahelmudii.org/ckfinder/userfiles/files/matidumikoxideloxuxabof.pdfIn PDF document text
- http://opuspoint.com/ckfinder/userfiles/files/57955433197.pdfIn PDF document text
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/d40a79291530b5f6a721c2c1f5dde6d5/nikekutedugizusobabudemo.pdfIn PDF document text
- http://greer2001.com/clients/e/ea/ea56749d84c1a2d7db36d2c51c833a37/File/81506878176.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210705131536.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/nr9p64uahjdebu0dmmpn8tvs2p/84409689872.pdfIn PDF document text
- https://riondene.ch/img/uploads/file/jilolemow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=sims+4+download+apk+windowsPDF 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_off0000e826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE826 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010038.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10038 | 18236 bytes |
SHA-256: d758c0edae9fe7e529b0858c0123e3de49b2786a939c70d75fc1825e19a518cd |
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font_02_sfnt_off00012de6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE6 | 10552 bytes |
SHA-256: c7511fe8d23a7ae2fd7af24422210ae57c9913ddbb20d5999049ad4b7205ea8d |
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