MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URLs, suggesting it functions as a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically points to a non-clustered link farm on disposable hosting, reinforcing the phishing/malware distribution hypothesis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://chcial.ru/uplcv?utm_term=pubg+download+for+ppsspp PDF link annotation
- http://queensparkview.com/image/upload/File/namevone.pdfIn PDF document text
- http://robbes.nl/media/files/wepuz.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358c43c59ac---resazib.pdfIn PDF document text
- http://mamitobe.ru/files/file/fufezesopotuguxutivewugu.pdfIn PDF document text
- https://wita.lt/images/files/16250963752.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/medanuxanutobepa.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/95073619798.pdfIn PDF document text
- http://okna-dvere-online.cz/media/upload/upload/file/lodubinutojujubudez.pdfIn PDF document text
- http://xn--dlek-5qa.com/admin/UserFiles/file/kujezopabimidu.pdfIn PDF document text
- https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/nijulodoleritewivi.pdfIn PDF document text
- https://0900107678.com/upload/file/44294713067.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/11399073500.pdfIn PDF document text
- http://rjbmachinery.com/d/files/58281902050.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/xepopuvirumekelabuvet.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/r8jodi1le1gccmfmabus20n3hn/21101396194.pdfIn PDF document text
- http://maiodi.com/userfiles/files/52005260333.pdfIn PDF document text
- https://duongthuy.net/userfiles/file/wilifibipuxupeneravitaxi.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/lamudejigumavodaxepevaf.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/dizimoderunuwudorufowepav.pdfIn PDF document text
- http://medtravel.pro/images/hand_uploaded/files/jepigujinibizasepivuzi.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/mivivusasunuw.pdfIn PDF document text
- http://artattack-concerts.de/files/file/97646243829.pdfIn PDF document text
- https://sambelteri.com/contents/files/kurugikagagapusonabufa.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_off0000c513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC513 | 10680 bytes |
SHA-256: 89afdfcec688644cc9e66ad03d6cbe1c5a0e6462a466ed29c6249ad35bca55a3 |
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font_01_sfnt_off0000dd4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55F | 18032 bytes |
SHA-256: 86b5ab22797a04ef09767907588a053095d098a27dd729cbd68521797df4e5a9 |
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