MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to disposable domains, characteristic of a link farm designed to obscure the final malicious destination. ClamAV detected this file as Pdf.Phishing.Trojan, and an ML classifier assigned a high probability of maliciousness. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM further supports the phishing lure attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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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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://tsydesign.com/userfiles/jws/files/xijozesadasifizavobux.pdf In PDF document text
- http://csc0311.com/userfiles/file/20210912194353_5tzz6s.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/49106253490.pdfIn PDF document text
- https://www.temtechnologies.fr/ckfinder/userfiles/files/fedemejofasinejeten.pdfIn PDF document text
- http://elcwma.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/25028115040.pdfIn PDF document text
- https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/53345669920.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/5114059460.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/fabulagowabivogoka.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/ledixugova.pdfIn PDF document text
- http://abnicum.ru/files/file/werirepakuwizali.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/80813752097.pdfIn PDF document text
- https://decisionstogo.com/fck_image/file/2095343055.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/69451288358.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/51437228504.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210905064807_2ghywk.pdfIn PDF document text
- http://laibros.com/ckeditor/userfiles/files/jopupelimegosimalisilima.pdfIn PDF document text
- https://polenhosting.com/calisma2/files/uploads/xozidunizopuvefu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d9bddb0c7c---pexupunu.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/20880894190.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/julaxarakalimominu.pdfIn PDF document text
- https://digireg.org/upload/32797289662.pdfIn PDF document text
- https://standsimulator.com/ckfinder/userfiles/files/8129076554.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308faba575c---kafuse.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/botuxakedadira.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=space+wolves+3rd+edition+codex+pdfPDF 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_off0001159d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1159D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012daf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DAF | 18892 bytes |
SHA-256: 03a9f58878636a19ed9103a6ae70e4a71b12bacd1ef66f9c28887472e62fe5d5 |
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font_02_sfnt_off00015efe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EFE | 11116 bytes |
SHA-256: 8f893691ef7fa78b5c53667cc47fc33c72934816aba20b371af70114dcee6747 |
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