MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also includes numerous external URLs, many of which are hosted on disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier further support its malicious nature, indicating it likely attempts to trick the user into downloading a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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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://queure.ru/uplcv?utm_term=rally+fury+android+1 PDF link annotation
- https://gastriklandsbf.se/UserFiles/files/49768230559.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/57937192728.pdfIn PDF document text
- http://www.blueoak.fr/image/file/58856420772.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/gukajar.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/gupukorewujumojiribe.pdfIn PDF document text
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rodibidezida.pdfIn PDF document text
- https://lorus.rs/files/24220013494.pdfIn PDF document text
- http://xn--or3bo5mvlb.com/data/editor/file/64785883119.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614342b94c8e3---94781767697.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/3877768445.pdfIn PDF document text
- https://wheelmartthailand.com/image/upload/File/xegog.pdfIn PDF document text
- http://tsutae-f.com/js/upload/files/82297509323.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/14505752855.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/sakekukaju.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210918093733.pdfIn PDF document text
- https://www.utn.ac.cr/sites/default/files/files/retunawexuxap.pdfIn PDF document text
- https://baatco.com/ckfinder/userfiles/files/pexesiburewoduzimasozuv.pdfIn PDF document text
- http://marketingnews.fr/images/file/jezofazininaguwoz.pdfIn PDF document text
- http://techbis.pl/files/file/65543975735.pdfIn PDF document text
- http://mobiliteit.nu/files/2336855083.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/b2197cd71ec6e82a31044fc65bf67994/51156292021.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/lononigiwivimasuki.pdfIn PDF document text
- https://telorgabus.com/contents/files/nulunovagejezexulewoputo.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_off0000b515.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB515 | 16252 bytes |
SHA-256: e819c73fea8d470977615d18ee07c0176ffc0def2957de5ad6340a69f8464592 |
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font_01_sfnt_off0000decc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E3 | 10260 bytes |
SHA-256: e8358a386d525f6b7dffec338109f04097baf3d25b6cfa14bb6754aab3ef7c52 |
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