MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs pointing to potentially malicious PDF files, indicating it functions as a link farm or downloader. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic confirms this behavior, suggesting an attempt to distribute further malware or phishing content. No scripts were extracted, but the structure and URL findings strongly suggest a malicious intent to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://e-room.co/userfiles/file/ziweju.pdf In PDF document text
- http://elmbbq.com/uploads/files/botuwupaxeki.pdfIn PDF document text
- http://asbufestival.com/uploads/FCK_files/file/90870163252.pdfIn PDF document text
- http://probeg2000.ru/files/userfiles/files/54784231844.pdfIn PDF document text
- http://promtour-rural.ro/userfiles/file/61562166896.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e74627ca0---mutelefemevogoluvijoxapud.pdfIn PDF document text
- http://www.hausbaumesse.at/ckfinder/userfiles/files/7343261062.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/fd8e3a7cea43e2cf13c5b974fb7f5d00/dikafanuvas.pdfIn PDF document text
- http://fisioterapiasuzzara.it/userfiles/files/43112565460.pdfIn PDF document text
- http://aalzkj.love-mrt.com/upload/files/83731123870.pdfIn PDF document text
- http://studioarchperissinotto.eu/userfiles/files/36132568788.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gawawut.pdfIn PDF document text
- https://nk-sostanj.si/files/file/molutedekobafi.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/3592655162.pdfIn PDF document text
- https://full-flavors.com/img/Data/file/surexugit.pdfIn PDF document text
- http://studiogaleazzo.eu/userfiles/files/rekobosifovepi.pdfIn PDF document text
- http://swaminarayangm.org/userfiles/file/serovazusiromarak.pdfIn PDF document text
- https://mcdelandes.ca/uploads/file/fazarerifudit.pdfIn PDF document text
- http://sonarkella.com/userfiles/file/sopedid.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/sibogugexemuxepufufik.pdfIn PDF document text
- https://girisimhaber.com/uploads/file/12760457824.pdfIn PDF document text
- https://ctcitsupport.com/media/files/23570909952.pdfIn PDF document text
- https://weyergans-hcc.lv/userfiles/file/85713883215.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+lock+and+unlock+iphonePDF link annotation
- http://pro.ovh.net/~tribuene/images/banque/file/fiziz.pdfIn 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_off0000eaa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA0 | 10612 bytes |
SHA-256: 79d50dfedbf273ac1d302d1bfc454cdb8574ea7539bb660f6973833380abe624 |
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font_01_sfnt_off000102cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102CB | 18120 bytes |
SHA-256: 34e6ef5256f6838cc2968a4a3fe10a76d3d4bb78410058aec88c5aa5fef3252a |
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font_02_sfnt_off00013191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13191 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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