MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a trojan. The presence of external URIs and the overall structure point towards an attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
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 https://smidgel.ru/uplcv?utm_term=windows+10+enterprise+update PDF link annotation
- http://dominoliberec.eu/images/file/files/99504601367.pdfIn PDF document text
- http://geodeslaboratori.eu/userfiles/files/64707310692.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/77947393429.pdfIn PDF document text
- http://elsped.hu/files/file/xiloramuzowavinetow.pdfIn PDF document text
- https://promenade-perpignan.com/userfiles/file/nudovazikazufazoperuwava.pdfIn PDF document text
- http://csc0532.com/userfiles/file/20210901182435_drv4bz.pdfIn PDF document text
- http://kientrucsangtrong.com/plus/files/83923056648.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/73046249777.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/nateveva.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/lobivumawedu.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/vajewenanidibarot.pdfIn PDF document text
- http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/derumodakopidabonudix.pdfIn PDF document text
- http://kirsanov-maslo.ru/uploads/mitorukiwibunitigewapu.pdfIn PDF document text
- http://razzledazzleevents.in/userfiles/file/9885657230.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/49864865486.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/sagejefofafotokobe.pdfIn PDF document text
- http://servicedental.it/userfiles/files/52245674819.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/zozawojovixenozagidorepa.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/xizixevovivekeloti.pdfIn PDF document text
- https://global-brand.net/userfiles/files/68935068358.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133cc9c23191---42792985007.pdfIn PDF document text
- https://radmangroup-ye.com/rgfiles/file/83442008448.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/libixikewubilejewef.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/bozakurefakafogexolasol.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/xexivegob.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/5599474003.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_off00011149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11149 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12960 | 10692 bytes |
SHA-256: 61aa8514ad38deb771343e023b366596a39a0f3e8421921958b977bd76f3908a |
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font_02_sfnt_off0001421c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1421C | 18156 bytes |
SHA-256: f9506ce725b7db69162dd4aedd92bed1c083b9cbf08428973200d560ef35c287 |
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