MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. The presence of a link farm on disposable hosting and the 'Password-protected archive' heuristic suggest the document is designed to trick users into downloading a password-protected payload, likely to evade gateway security. While no scripts were directly extracted, the PDF structure and URL patterns are consistent with known malware distribution techniques.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 https://eurouniversal.eu/ckfinder/userfiles/files/43514951628.pdf
- https://www.myosiaffiliate.com/199trust/img/file/58150387509.pdf
- http://innospectrum.eu/hirlevel/file/70488700562.pdf
- https://bluetact.com/ckfinder/userfiles/files/xawuz.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bb3120a70---86221785155.pdf
- http://zionhillfirstbaptistchurch.com/clients/73368/File/bikofebizukevalixegi.pdf
- http://babyschultz.com/clients/72285/File/91071235202.pdf
- https://thehero88vip.com/ckfinder/images_store/files/betodov.pdf
- http://hydrogears.com/survey/userfiles/files/20681585535.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/2c1561392ad17a39182296befeb9772e/fakiruniwipexinob.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/4o46a4tv62u200b7di9dsvqek0/34622222664.pdf
- http://biemmecommerciale.eu/userfiles/files/28693004988.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/7aecre04qhuhitjuthhj7pkli6/fubutajifusifomugefagesew.pdf
- https://gionggiacam.com/ckfinder/userfiles/files/dumunezuzutexo.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4758db17e5---91106377418.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/iev63j099fv9uhhui8mdpj3ve3/mivurudoxezusa.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1608c687bac61e---17938277633.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/gl7cql5aro8th075rqrckmq5l0/toweraviwoledepuz.pdf
- https://sentinels.ro/userfiles/file/xotofaj.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/16c483e72781eb765d46e829c4ee6232/24289724194.pdf
- https://nguyenhungstone.com/uploads/image/files/47895560050.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/af8437eea14caac827018cae545ad792/niwumonovitus.pdf
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/144935681160bacfec46540.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c6072ec30---saziponewabubozuriz.pdf
- http://print-resource.co.uk/ckfinder/userfiles/files/9585843266.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=severe+back+pain+hard+to+breathe
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ebd1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD1 | 16792 bytes |
font_01_sfnt_off000103e3.bin32ef9dbd0cb4dd534c621a3438cea287dc93b0d2327ba3a2eb3f4046b4a75567 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E3 | 16524 bytes |
font_02_sfnt_off00012e6d.binc6bca57acdb1d71474f8277e4ee00fad21c54e90decd4058217861bc1fed12f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E6D | 10768 bytes |
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