MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable hosting, with numerous external URIs pointing to potentially malicious domains. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL patterns suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://infrive.ru/uplcv?utm_term=where+is+the+menu+key+on+my+android+phone PDF link annotation
- http://hykylalumni.org/userfiles/31476454509.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/15735030901.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/zoparulafonimiwomavekevo.pdfIn PDF document text
- http://www.scea.edu.mn/ckfinder/userfiles/files/65187343412.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/2035566955.pdfIn PDF document text
- http://didopack.com/files/43121901440.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/22076922970.pdfIn PDF document text
- http://bdpq.hungminhits.com/files/uploaded/files/35322022935.pdfIn PDF document text
- http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/24383255323.pdfIn PDF document text
- https://autoskola-scp.com/files/6237973902.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/wemexodorobaxul.pdfIn PDF document text
- http://greenglobepms.com/uploads/27935222398.pdfIn PDF document text
- http://okeefesreef.com/ckfinder/userfiles/files/bewumulole.pdfIn PDF document text
- https://epiphanych.com/images/file/88654343261.pdfIn PDF document text
- http://karlsbach.de/userfiles/files/17568456412.pdfIn PDF document text
- https://mongolia-volkslift.com/uploads/files/revud.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/77297603434.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/16915536659.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/nuzajotezeritugeb.pdfIn PDF document text
- http://debschoen.com/userfiles/file/72418899569.pdfIn PDF document text
- http://tabletopad.com/images/file/kijugofatetukutetu.pdfIn PDF document text
- http://portamarioarchitetto.eu/userfiles/files/50882662674.pdfIn PDF document text
- https://fanaf.org/article_ressources/file/wupofonotajuredelan.pdfIn PDF document text
- https://perkunasstudio.com/uploads/files/202109111201121325.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345e0b2cf03---40721158603.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_off0000e74c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74C | 10912 bytes |
SHA-256: 91bea00e6096c3e219d2cd068d131f1cde5decaa3d03ac01138f3087ae0507cd |
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font_01_sfnt_off00010076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10076 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011888.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11888 | 17748 bytes |
SHA-256: aa7463d23b1042effe8171e96e7f13d7a12a3ff6e9e9bd544be4f93419639543 |
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