MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of multiple external URIs, including one pointing to a raw IP address and others on disposable hosting with UTM parameters, suggests a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the heuristics strongly indicate it's part of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://laborke.ru/uplcv?utm_term=activate+office+product PDF link annotation
- https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/97398955096.pdfIn PDF document text
- http://kamakuralosgatos.com/uploads/files/61903088149.pdfIn PDF document text
- https://cleaner.pl/userfiles/file/bisesopufemudiwibubejitoz.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9e15dd10c---3345270789.pdfIn PDF document text
- http://limobebe.com/userfiles/files/70214846758.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/41365848371.pdfIn PDF document text
- http://piotrkowska77.pl/zdjeciafile/76992986395.pdfIn PDF document text
- https://kapefashion.com/files/files/nusoxitagavonemenozom.pdfIn PDF document text
- https://superpart.com/files/66035009241.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/56641102455.pdfIn PDF document text
- http://myphamnanyno.com/luutru/files/nuwotegijipovo.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/13106893392.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388a3f9f6a4---78904071268.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/sunuvupotar.pdfPDF link annotation
- https://annekienlen.fr/imagesfile/31547572109.pdfIn PDF document text
- http://rococosofa.com/files/files/30481527478.pdfIn PDF document text
- http://eaupureinternational.com/userfiles/file/61985465348.pdfIn PDF document text
- https://ecpa.fr/uploaded/file/68938907878.pdfIn PDF document text
- http://autodilykanka.cz/cmsimple/images/file/83800228785.pdfIn PDF document text
- http://bdn10.cz/files/file/42322494551.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/99162598752.pdfIn PDF document text
- http://gniortho.com/files/Upload/file/80351601441.pdfIn PDF document text
- http://orderkai.com/uploads/files/47518428796.pdfIn PDF document text
- http://bfcy88.com/uploads/files/zinep.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_off0000d878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD878 | 10440 bytes |
SHA-256: 473b736ef2f846cb8faa7bea166aee35c9080087a513858b08d9c1e31e7f46c7 |
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font_01_sfnt_off0000f057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF057 | 16760 bytes |
SHA-256: 27648eddae1267f92315f47f3bed5e13249f00d177dad5d0056fe2671df6f165 |
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font_02_sfnt_off00011bb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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