MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external URIs, with one specifically pointing to a 'wifi sniffer apk free download for android' lure, suggesting a social engineering tactic to trick users into downloading malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further confirms the malicious intent by identifying the document as a link farm hosted on disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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://wastran.ru/uplcv?utm_term=wifi+sniffer+apk+free+download+for+android PDF link annotation
- http://tochalco.com/uploads/files/91689434730.pdfIn PDF document text
- http://siciny.pl/userfiles/file/xazetax.pdfIn PDF document text
- http://uro-medical.pl/zdjecia/fotki/file/fatox.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/64384407658.pdfIn PDF document text
- http://kelt.pl/userfiles/file/dumil.pdfIn PDF document text
- http://ilsungwarehouse.com/userData/ebizro_board/file/juxeguzisenoperesifow.pdfIn PDF document text
- http://focalthai.com/file_media/file_image/file/saxibovujipafadaz.pdfIn PDF document text
- https://keyseries.us/userfiles/file/pokapurapadelo.pdfIn PDF document text
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/37916911068.pdfIn PDF document text
- http://denge.aero/upload/files/garip.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f90b39569f---gufopupimezade.pdfIn PDF document text
- http://tns-china.cn/editor_upload_image/file/28971453717.pdfIn PDF document text
- http://colorsoftexas.com/ckfinder/userfiles/uploads/darebudeduwut.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/20653308217.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/11316115429.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/26928885062.pdfIn PDF document text
- http://crescentcarpets.com/userfiles/file/53217954471.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/9999155323.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/wezufezifu.pdfIn PDF document text
- http://xn--b1agpbmdtf.xn--p1ai/upload/file/rojixa.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/ffqf1dpnpirr3kgd555kqi2vk0/83087422956.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/53774714544.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210914042857619.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/72017003611.pdfIn PDF document text
- http://studio-orlandini.com/userfiles/files/lipofuxaguxul.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/36714242697.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_off0000b8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8F8 | 16376 bytes |
SHA-256: 916319e7c679bee5d13ae3877d31742e1120e6f53bf29bec5a759443b37caff0 |
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font_01_sfnt_off0000e27b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27B | 10564 bytes |
SHA-256: e4a40bfe0ecef209b3fc6c28bc25a648223313d5fde41835ddcd1b7a4a2bc74c |
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font_02_sfnt_off0000fab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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