MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm strategy, and ClamAV detection confirms malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites, contributing to a phishing or malware distribution attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://perechen-izdaniy.ru/js/ckfinder/userfiles/files/zufegubodedodo.pdf In PDF document text
- http://grabnerestriche.at/65765990414.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/bezagake.pdfIn PDF document text
- http://geobigoni.it/userfiles/files/94050806518.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/pomuxinokikubuki.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/bisenegupijogibubev.pdfIn PDF document text
- http://abc-tel.ru/data/File/kebamomanepotujidi.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/mesazi.pdfIn PDF document text
- http://metabolitplus.ru/files/file/gapifemeviwugevusatekewo.pdfIn PDF document text
- https://hsiaoying.com/userfiles/file/xezaduberuvoni.pdfIn PDF document text
- http://homeopathyhongkong.org/files/xakip.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/68118150550.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/40214705981.pdfIn PDF document text
- https://bloomeng.com/uploads/pivipokubarowu.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/vonudexuvitimimabuk.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/41640095936.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/sesitozisuzatunalofam.pdfIn PDF document text
- http://holidayinntorino.com/userfiles/files/41832983470.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/68904905678.pdfIn PDF document text
- http://hum-lucknow.org/test/fckeditor/file/79666719202.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/sufipusimelaso.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613946ab63361---fimodiniliwupok.pdfIn PDF document text
- http://home-plast.ru/foto/files/65322760263.pdfIn PDF document text
- http://yacpa.org/yacpafiles/file/zosatuwodojemagi.pdfIn PDF document text
- http://videlec.be/ressource/file/44092356361.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=free+cell+phone+spy+apps+for+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_off0000e332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE332 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB49 | 10708 bytes |
SHA-256: 2a961cf91d7846e24014d9772cf03d208ed70db36e8797c63e358ca598956c74 |
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font_02_sfnt_off000113b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B9 | 18324 bytes |
SHA-256: 9adce730173cd6794f64f2184de2c2cb932682a59578810a80ecd80c537e4667 |
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