MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many pointing to potentially disposable domains, suggests a link farm designed to redirect users to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://allivecoat.com/userData/board/file/kegemejuvitela.pdf In PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/91085941310.pdfIn PDF document text
- https://www.sacict.or.th/ckfinder/userfiles/files/lulemafifidudexod.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/befikizomelaxewib.pdfIn PDF document text
- http://art-lan.ru/uploads/assets/file/52979891555.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/wasixamagob.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/25429868833.pdfIn PDF document text
- https://iohrp.org/f_files/files/jitewamezibivarerafep.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/86007537160.pdfIn PDF document text
- http://bidmitt.com/img/files/file/8680585629.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/17595937589.pdfIn PDF document text
- http://studiofagiani.eu/userfiles/files/kimasunofo.pdfIn PDF document text
- https://geelaboba.dswip.com/ci/userfiles/files/91107230402.pdfIn PDF document text
- http://sostrevalli.it/userfiles/files/6499749900.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/78778977982.pdfIn PDF document text
- http://riasztoszolnok.hu/admin/fck_upload/file/gurun.pdfIn PDF document text
- https://monyetjoget.com/contents/files/1379668997.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/b3a00509f772ef87a6ff83680a569bd9/nizokav.pdfIn PDF document text
- http://i-physiology.ru/upload/42555428878.pdfIn PDF document text
- https://lifeteacher.tw/uploads/files/202109061425444685.pdfIn PDF document text
- https://mertlakustika.cz/images/pages/file/ruvikozufe.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/13808927849.pdfIn PDF document text
- http://www.miyadenthai.com/image/upload/File/3505088476.pdfIn PDF document text
- https://ruedi-leuthold.com/userfiles/files/ruwezefuniropax.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+hack+instragram+idPDF 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_off0000dc65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF477 | 17220 bytes |
SHA-256: 12db86ff555ee8acc319c6a4a3d2dd06113d1329b701c7e310368bf5d2bec250 |
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font_02_sfnt_off0001210f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1210F | 10808 bytes |
SHA-256: 4132e9953a0387476a0b5f237fcd9daa5a4fd6847d978e2277f6574bf0eea57b |
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