MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to external PDF files hosted on various domains, indicating a link farm designed to redirect users. The presence of external URIs and the overall structure suggest an attempt to deliver malicious content or phish for information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://wastran.ru/uplcv?utm_term=random+things+to+do+in+minecraft PDF link annotation
- http://dgone.kr/userfiles/file/20210909180557.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/25582604588.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/75308071697.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/kulojagoxowojukijesilosun.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/sewagigitesawepelumiv.pdfIn PDF document text
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/f9cf8e741a10220040793950a078aa28/ferusixujufaguzar.pdfIn PDF document text
- http://mrpokedb.com/uploads/files/jovisulokofas.pdfIn PDF document text
- https://mldom.xyz/web/img/podborky/files/15415097490.pdfIn PDF document text
- http://pxmonastery.org/CKEdit/upload/files/vivepowubewedoravikegeta.pdfIn PDF document text
- http://georgewongdesign.com/gwd/upload/files/sifigofi.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/19202147798.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e1664fada---89167133473.pdfIn PDF document text
- http://www.euro-fly.eu/userfiles/files/dasuwuv.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/vadedupakugot.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/ludapik.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135eace227e1---73291458239.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/jupanazovuzexidu.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/27598418803.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/45686471392.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/wugabafi.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/86464989256.pdfIn PDF document text
- http://designbeginnings.com/upload/file/gesamuguxinedisoruxo.pdfIn PDF document text
- http://elektromig.pl/userfiles/file/fuduxepata.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_off0000e80b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE80B | 10920 bytes |
SHA-256: c648a708102c052f7ad02689f357dcfe79909a3e021ce4961c12d3aec6045c48 |
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font_01_sfnt_off000100e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E5 | 17440 bytes |
SHA-256: b98c153ed29b19ca77f1e4bcf5a5af5459c1deb79993e977c8f984b89374f0f3 |
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font_02_sfnt_off00012dd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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