MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to deliver a secondary payload via the embedded URLs. No scripts were extracted, but the overall structure and heuristic firings point to a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://catamma.ru/uplcv?utm_term=how+to+draw+sonic+the+hedgehog PDF link annotation
- http://iccjsc.com/images/uploads/files/xibuwoduga.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/c5a7a53f158fd0246bc2c36962a179eb/teterufubot.pdfIn PDF document text
- http://songhandiban.com/uploadfile/file/2021091411293873499.pdfIn PDF document text
- http://muntepa.com/userfiles/files/5440994330.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecf15d2b68---dafetupilitakimesopisasa.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/bixeganatisamer.pdfIn PDF document text
- http://dsagco.com/Upload/file/46557034944.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/05/rodak.pdfIn PDF document text
- http://ithalattagarantibelgesi.com/resimlerfiles/52187251182.pdfIn PDF document text
- http://tumwebthailand.com/ckfinder/userfiles/files/39199283464.pdfIn PDF document text
- https://myclubowners.travelenvogue.com/userfiles/files/98807352230.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/73498844919.pdfIn PDF document text
- https://communeouchamps.fr/userfiles/file/85112322929.pdfIn PDF document text
- http://balbu.eu/uploads/news/file/dovoxu.pdfIn PDF document text
- http://fpole.ru/sadm_files/16005892238.pdfIn PDF document text
- https://vzglavniki.net/data/file/tifiloxevatemanitela.pdfIn PDF document text
- https://ducthai.vn/userfiles/file/55470514372.pdfIn PDF document text
- https://santehsevast.ru/userfiles/files/tutinovegizixogu.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/1178699280.pdfIn PDF document text
- http://lnhaihui.com/userfiles/file/20210906011808_869789401.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/98660048849.pdfIn PDF document text
- http://letnipohar.cz/upload/file/lurasugebunisuxofokopu.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021091219173046.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/batetevekoboku.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/61726413189.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_off0000d6b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC4 | 17492 bytes |
SHA-256: 1f0cb66795096ed3620eb3823ee523c9eff01c33839d8b2476a27b7d7084b2c0 |
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font_02_sfnt_off00011c3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C3C | 10680 bytes |
SHA-256: f8139c430fc2aefbd54b903fa0a55b39b9bad8fc0593c36d5c417c9d2c4184a5 |
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