MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic suggest the document is designed to redirect users to potentially harmful websites. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://crysiq.ru/uplcv?utm_term=which+statement+is+true+about+organic+compounds PDF link annotation
- http://nutronicltd.com/userfiles/file/lenagurabufevatapebugavi.pdfIn PDF document text
- http://gamjagolla.com/uploads/files/88536179523.pdfIn PDF document text
- http://slsnn.ru/content/files/xojudomejoveboritosudemig.pdfIn PDF document text
- https://belitour.ir/basefile/belitourir/files/6857311203.pdfIn PDF document text
- http://cariboohose.com/userfiles/file/walerosanabosiveli.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/fexolidulizuvojiguzuvisuv.pdfIn PDF document text
- http://seatraderhk.com/userfiles/5445701862.pdfIn PDF document text
- https://sheenabusesandcoaches.com/userfiles/file/59337831952.pdfIn PDF document text
- https://chothuexeninhbinh.net/data/dulieu/files/zikotasejalivatepepawilum.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/vilirezifijiraxe.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/46fe572f1bbd1507ceab90e47846975b/99054887636.pdfIn PDF document text
- http://jindi2010.com/uploadfile/files/vutanezujisazulupulewa.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/pusikuvowavukiwetoxikole.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/puwufepokug.pdfIn PDF document text
- https://drterrace.com/london-100.com/userfiles/file/99288678026.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/29705004747.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/70706663234.pdfIn PDF document text
- https://icoachyou.biz/images/ckeditor/files/18807466857.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/11014140784.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/losarir.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/662bg9flu1f5t0mmjr52jd9v21/30427302955.pdfIn PDF document text
- http://aquatherm-graz.at/files/vagef.pdfIn PDF document text
- http://megamento.com/_UploadFile/Images/file/14099465224.pdfIn PDF document text
- https://esperidiaogomes.com/userfiles/files/17850619212.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_off0000b2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAD1 | 11148 bytes |
SHA-256: b73b17f5113ed7b3572b6277fd8efffb0d0fac8cc075c3bcb1d7b780ab9eb8c4 |
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font_02_sfnt_off0000e444.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE444 | 14740 bytes |
SHA-256: 9fc754dd552c60c5a6890159a0037ed2788e122db0de52d7b0e4b58bbfb9ef77 |
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