MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, with many pointing to suspicious domains, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a tactic to distribute links across potentially disposable hosting. The presence of external URIs and the overall structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 5
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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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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 http://patrick-jardinage.fr/ckfinder/userfiles/files/kudewifigogububotod.pdf
- https://proartgaleria.hu/files/files/sekotemuwu.pdf
- http://gdlianyu.com/uploadfiles/file/64985109333.pdf
- http://longtra.vn/userfiles/file/24596905494.pdf
- http://liveisagenix.com/ckfinder/userfiles/files/posamiwiboru.pdf
- https://www.abrasco.org.br/ckfinder/userfiles/files/34782520622.pdf
- http://neuchina.org/userfiles/file/jazasotakoworibas.pdf
- http://pes.edu.mn/ckfinder/userfiles/files/37700979606.pdf
- http://dsfly.com/uploads/files/tuvusevularatasa.pdf
- http://imosa.asia/uploads/files/202109161310429298.pdf
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rokiluvo.pdf
- https://mamo-tato.ro/userfiles/file/88950828389.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/2a5e24ed6ba3195c6291af18f5a599ee/48836325200.pdf
- http://hasyo.net/files/file/69882840598.pdf
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/tevatorifunez.pdf
- http://pp-aqua.com/userfiles/files/838168378.pdf
- https://protrialse.eu/files/files/59438332727.pdf
- http://ladispensadicampagna.it/uploads/assets/file/karudevasutodop.pdf
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/lulox.pdf
- https://beta.nhatthiengroup.com/files/uploaded/files/munerubezapezivibijulane.pdf
- http://polimak.pl/userfiles/file/86939553064.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/5612qjss88lqqu2qe1a4b0l994/jowamufatoviza.pdf
- http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/31785814404.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=chingamasam+mp3+song+download
- 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_off0000b699.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB699 | 16792 bytes |
font_01_sfnt_off0000ceb0.bin53d63f91ed0a38159094cdee46eb27ee5afd8d1dc9dac3be012e4d67b9274a0a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB0 | 10800 bytes |
font_02_sfnt_off0000e733.bin0bc823b85e3e3c81371dd421a45e76b2d80d18052aaf6822aa1dde0e2efb8d30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE733 | 15668 bytes |
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