MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm with numerous external URIs, many hosted on disposable domains, designed to redirect users. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristic firings strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 http://leprofit.ee/cmsfile/contentfiles/24498066149.pdf In PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/91941993550.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16317482841828820645.pdfIn PDF document text
- http://warehousetraining.ie/images/saredarumebasedexuwe.pdfIn PDF document text
- https://viettrungson.com/media/Files/dozil.pdfIn PDF document text
- http://izmirtavla.com/upload/file/benek.pdfIn PDF document text
- http://studiocinti.eu/userfiles/files/xexibatazaxu.pdfIn PDF document text
- http://optimaglobal.net/ckupload/files/beratobelilumala.pdfIn PDF document text
- https://ons-station.com/editor_upload/file/rerunamurawexujatubigutib.pdfIn PDF document text
- http://linhkienhunganh.vn/luutru/files/66334393563.pdfIn PDF document text
- http://vecsecity.info/editor_up/54521700096.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/da5f6c391c93b783361e10e4a76c8fb1/17609430773.pdfIn PDF document text
- https://marblobaths.com/app/webroot/img/files/92364987036.pdfIn PDF document text
- https://malayalamfoundation.org/admin/my_files/file/32101769103.pdfIn PDF document text
- http://suurelepa.ee/data/file/69108762268.pdfIn PDF document text
- http://massageindex.nl/images/uploads/larigasogibara.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/81552086064.pdfIn PDF document text
- http://trieuduong.com/images/Download/72602618123.pdfIn PDF document text
- http://hausdergesundheit.net/userfiles/files/giluk.pdfIn PDF document text
- http://saigonradio.com/userfiles/file/46060918950.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161302555b0b05---webose.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/zanakifabunakol.pdfIn PDF document text
- https://avflash.nl/upload/files/wuzenuzuwejejurel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=c%C3%A1ch+quay+m%C3%A0n+h%C3%ACnh+%C4%91i%E1%BB%87n+tho%E1%BA%A1i+androidPDF link annotation
- 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_off0000dfa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BC | 11684 bytes |
SHA-256: ee5dcca3058fdf0057c4df2643920dc33f964221bb2e900df92c6de047ef333c |
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font_02_sfnt_off00011177.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11177 | 33172 bytes |
SHA-256: 6b78b2449fd1609b313a432c37531e0a93fd34b07d0b54772fda940db3492375 |
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