MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including ML classifiers and ClamAV, indicating malicious intent. It contains a large number of embedded URLs pointing to various domains, suggesting a link farm or phishing campaign. The presence of external URIs and the 'link farm' heuristic strongly indicate the document's purpose is to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://coretry.ru/uplcv?utm_term=win+7+ultimate+x64+key
- https://rougezenekar.hu/files/file/39618189043.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3830d92d2---kukesavepu.pdf
- http://eugensa.lt/app/webroot/uploads/userfiles/files/detoxarafafutu.pdf
- http://escalierdurire.fr/ckfinder/userfiles/files/77002288391.pdf
- http://rafaelstore.ru/upload/files/46555107155.pdf
- http://enovosti.info/ckfinder/userfiles/files/lurare.pdf
- https://pt-joker.com/contents/files/80500980582.pdf
- http://dental-forum.ru/userfiles/file/74514086024.pdf
- http://canadianartistic.com/userfiles/file/wafejapo.pdf
- https://www.rapn.ru/ckfinder/userfiles/files/nokujabupedopuj.pdf
- https://ijaetis.org/ckfinder/userfiles/files/81503373929.pdf
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133621da8f56---55410825640.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/8489417903.pdf
- http://webinaris.training/ckfinder/userfiles/publics/files/39516823057.pdf
- https://solelane.com/ckfinder/userfiles/files/63598133775.pdf
- http://tccsrl.org/userfiles/files/30849258245.pdf
- http://cesurmakina.com/userfiles/file/memokigusibad.pdf
- http://kengosushionlineorder.com/uploads/files/tuvetax.pdf
- http://xdata.pl/app/webroot/img/ckf/files/3753057641.pdf
- http://s2group.pl/userfiles/file/xaviwotuxukezego.pdf
- http://ozhelalikram.de/resimler/files/16083483175.pdf
- http://zajazd-broadway.pl/galeria/file/zobevijerasobebug.pdf
- https://faresaldabbous.com/uploads/files/dapifizegu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af36.bin3449ec6edcc1463ec2151b0c0f5cdf5b141d52467f2606cc8d901ca987ac3283 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF36 | 10576 bytes |
font_01_sfnt_off0000c771.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC771 | 16792 bytes |
font_02_sfnt_off0000df83.bin385f25ceb55bee8098c38180d247bb60717203bacea10cfad9792f0427dbcaae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF83 | 15832 bytes |
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