MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to redirect users to phishing or malware distribution sites. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
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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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 https://catamma.ru/uplcv?utm_term=android+cannot+connect+to+peap+wifi PDF link annotation
- http://ideviceplus.be/app/webroot/files/userfiles/files/naxagu.pdfIn PDF document text
- http://gsnursing.in/ckeditor/ckfinder/userfiles/files/juvewoloxanozevo.pdfIn PDF document text
- http://andreaslasnik.com/data/files/9162006199.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/48304456957.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/u8g322cl16odur13t07jjrup9s/76407676122.pdfIn PDF document text
- http://debten.net/UserFiles/File/wasepodadewizovujosuzej.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/75444312182.pdfIn PDF document text
- https://slavyansk.biz/userfiles/file/74333570731.pdfIn PDF document text
- https://art-eria.pl/mandarynka/pliki/files/xofobubawavuxasapo.pdfIn PDF document text
- https://natanashoes.com/kingkong/userfiles/files/34263631179.pdfIn PDF document text
- http://dainindo.com/Uploads/userfiles/files/panenigotokixeruninatene.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/rovobom.pdfIn PDF document text
- https://konchris.com/userfiles/file/1631761630.pdfIn PDF document text
- http://detskypohar.cz/upload/file/28926012026.pdfIn PDF document text
- https://fleschimmo.lu/userfiles/files/fewidegugatiwovuriz.pdfIn PDF document text
- http://macabrey-luthier.fr/data/Files/43539751750.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/fabigirazapapexujubu.pdfIn PDF document text
- http://elvirajogsi.hu/ckfinder/userfiles/files/74749660224.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210923164355_plbcl7.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/66997025150.pdfIn PDF document text
- http://xn--80aaaghhaztbcd1agjgbccsgfftf.xn--p1ai/pict/file/deboxupevewo.pdfIn PDF document text
- https://walnutcreekguide.com/wysiwygfiles/file/7339695628.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/16924235027.pdfIn PDF document text
- http://ggbris.com/slbdavbatala/userfiles/file/pasixojobik.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_off0000b206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB206 | 15032 bytes |
SHA-256: ace92cf83c56f026a4064a6560b0d0d0ed8a81a05d0272646187b50ab04b57a8 |
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font_01_sfnt_off0000d793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD793 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAA | 10464 bytes |
SHA-256: 98f2b556c37fa28ae5df09103f0c3e3d017a3035930bee1965984e8dd9ea9abb |
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