MALICIOUS
134
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. This script likely redirects the user to external URLs, such as the one found pointing to 'catamma.ru', which is indicative of a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further suggests a malicious intent to host numerous links on disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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=aramaic+passion+of+the+christ PDF link annotation
- http://paradisetnl.com/FileData/ckfinder/files/20210929_973CD4983B684F00.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/nonuda.pdfIn PDF document text
- https://tourgardan.com/basefile/tourgardancom/files/15256991654.pdfIn PDF document text
- https://goodline.by/userfiles/file/89752363954.pdfIn PDF document text
- http://santiagoporter.com/js/ckfinder/core/connector/php/files/9757161907.pdfIn PDF document text
- http://evolutionchonburi.com/userfiles/files/wepififeniwimakapifotolok.pdfIn PDF document text
- http://bjjiffy.com/upload/33076031602.pdfIn PDF document text
- http://vvk-wiedermann.at/userfiles/file/44620804295.pdfIn PDF document text
- http://ehoron21.mn/uploads/files/233068730.pdfIn PDF document text
- http://idroter.org/userfiles/files/1442709556.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/mulawubam.pdfIn PDF document text
- http://espokebar.com/uploads/files/nuzegagajosat.pdfIn PDF document text
- https://tennis94.fr/img/pics/files/gidusavovevapaxegajewawu.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/fd470c3b8b60cb1113a4fd54bee2daa0/15404991172.pdfIn PDF document text
- http://geoman.cz/data/file/maminifup.pdfIn PDF document text
- http://ateliergermain.club/sites/default/files/file/22844041461.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/zavadegefaxepuwogeziv.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/buzejuzabixadidaxola.pdfIn PDF document text
- http://snsi.jp/image/news_file/15792995566.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/zotekudoma.pdfIn PDF document text
- https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/10500086278.pdfIn PDF document text
- https://gangnampools.com/contents/files/vijaxutenu.pdfIn PDF document text
- http://soeurs-scjboran.fr/soeurs/upload/files/43829825803.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/xowemaxigibitofufufur.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_off0001a7d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A7D1 | 10680 bytes |
SHA-256: 9e17235a615e584dec5f6efd1354ebf8794c4c2ef50a930e31246ced8506ac9b |
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font_01_sfnt_off0001c027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C027 | 21760 bytes |
SHA-256: a9c2a03149e76571c00a94e76d8dd04b3a05541f620c434816262b162bf9dd23 |
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font_02_sfnt_off0001f827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F827 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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