MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample was flagged by multiple heuristics, including a critical ClamAV detection and a high ML classifier score, indicating malicious intent. The presence of embedded JavaScript (PDF_JS) suggests the execution of malicious code, likely to download or redirect to further malicious content. The numerous external URLs, many pointing to PDF files on various domains, indicate a potential phishing or credential harvesting campaign, or a distribution point for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://linardi.ru/files/file/zifosuw.pdf In PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/bexilelugozo.pdfIn PDF document text
- https://oldd.adventurenetbg.com/userfiles/file/45294680459.pdfIn PDF document text
- https://coherence.cz/userfiles/file/15592422134.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/98986876221.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/17322265180.pdfIn PDF document text
- http://bolt.fo/public_html/userfiles/files/32609410528.pdfIn PDF document text
- http://yokosohk.com/files/fckfiles/file/88632284802.pdfIn PDF document text
- https://nistd.in/userfiles/file/19605780619.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/ladibosajewokizo.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613fc8bbc89e4---xazirizodewasopu.pdfIn PDF document text
- https://unchiulmihai.ro/files/fckeditor/file/radometebadupunaronurabom.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/2fdip07u9085751fe2dmiae1if/47706615068.pdfIn PDF document text
- http://maketmaster.ru/admin/ckfinder/userfiles/files/1430253569.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/432546158613c5c9a30509.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202109060617005940.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20210902103517.pdfIn PDF document text
- http://thsport.dk/userfiles/file/zigememidirojetafupowo.pdfIn PDF document text
- https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/96548280968.pdfIn PDF document text
- https://123natura.com/stockages/files/riwajuxokit.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/72858311697.pdfIn PDF document text
- https://aurorabersinar2.com/contents/files/50474784800.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/vufopefevaf.pdfIn PDF document text
- http://cityfate.com/files/files/jenaxo.pdfIn PDF document text
- http://uforoi.com/app/webroot/uploads/files/xajobulofozuwavibexolapap.pdfIn PDF document text
- http://tomei4x4.jp/js/upload/files/30791376491.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=gulliver%27s+travels+notes+pdfPDF 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_off0000e77d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF94 | 10732 bytes |
SHA-256: c6d1fa70881c38efd5107693e96a460812ac7dda2ff822891598ce623e171039 |
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font_02_sfnt_off00011870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11870 | 18012 bytes |
SHA-256: 8a11553f601bc1b981e8fbd9309814745987a05e8d6cf8057a4df806899c82b7 |
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