MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The PDF structure and embedded URIs point towards an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 5
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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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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://inwebjor.ru/uplcv?utm_term=how+do+i+make+my+sd+card PDF link annotation
- http://123flower.doweb.kr/upload/files/58223205723.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/matuxelox.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/84058046867.pdfIn PDF document text
- https://mayxaydunghoangphuc.com/userfiles/files/zozuborob.pdfIn PDF document text
- http://mobiliteit.nu/files/kesenixetutowize.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161319fd5545d8---daluxokuxomiwoxi.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/56823088856.pdfIn PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/29976579668.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/84374541198.pdfIn PDF document text
- https://gmnavarra.es/ckeditor/files/73891085848.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/72926589911.pdfIn PDF document text
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kewafitezeva.pdfIn PDF document text
- http://equipociclistaugeraga.com/ciclistas/userfiles/file/kusojeluwajiwo.pdfIn PDF document text
- http://galerie45.com/userfiles/file/tamepureranimizugigoturig.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76667846798.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad5c7a50d6---naxeratutoro.pdfIn PDF document text
- https://mlbcsimleague.com/ckfinder/userfiles/files/tusudizulitisewunon.pdfIn PDF document text
- http://kammed.com/userfiles/file/50274255285.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210914_47F898C0E76685A3.pdfIn PDF document text
- https://nbretail.com.vn/ckfinder/userfiles/files/78352608554.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/jubugijatidarason.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///2512497376.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_off0000be7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE7F | 18808 bytes |
SHA-256: 2740efa47948252b703ebb1dc5a62fd20360000d8b2f08ece10da4ca1d73a073 |
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font_01_sfnt_off0000ef55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001076c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076C | 10564 bytes |
SHA-256: bacbde84590afbb008c570f43cf27b8fe6f75cd9155aec2746e6bec9c8f07e83 |
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