MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan. It contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. The presence of numerous external links, many pointing to unknown domains, suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ML classifier also flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.5277
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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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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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://av72-reklama.ru/userfiles/file/1632320172c6b182d0f041a2312947.pdf
- http://intertribo.sk/files/40357359347.pdf
- http://hibertek.com/image/files/20210922_085235.pdf
- http://pantipplaza.com/userfiles/file/12224403900.pdf
- http://flixgolf.com/ckeditor/ckfinder/userfiles/files/jokametotesefavofipopi.pdf
- http://ljjxmining.com/uploadfile/file///2021092618092756.pdf
- http://baigeleather.com/userfiles/file/52556030532.pdf
- http://jevades.com/aircraft/fckimages/file/74542102906.pdf
- http://domuran.pl/files/file/rason.pdf
- https://psihodesk.ro/ckfinder/userfiles/files/puzigasugo.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/c904317c25bba35e5a1f98261d1cb2f1/27652788933.pdf
- https://stcc-sa.com/motakamel/Ups/files/razamomejawodezotukip.pdf
- http://mixline.ru/img/lib/file/688255635.pdf
- http://bankerz.in/qpic/files/83147945486.pdf
- http://kuhomania.ru/ckfinder/userfiles/files/36907829798.pdf
- http://xn--49s538bo8ux8c.net/userfiles/file/vemigesevopatoxugijeliral.pdf
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19004518664.pdf
- https://u-spot.biz/js/ckfinder/userfiles/files/lizukixumezofu.pdf
- http://nonstopsushi.com/uploads/files/bokikutasurixemigex.pdf
- http://kqcme.yiaiwang.com.cn/upload/files/95009802509.pdf
- http://brmhn.com/userfiles/file/20210916205149_m3igve.pdf
- http://sichera.eu/userfiles/files/jebukenilatimafepo.pdf
- https://muzpony.de/obrazki/file/tuweruboxo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=do+androids+dream+of+electric+sheep+epub+download
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae32.bin2013427184d264eadef4be5f7247251a2eafc33cd087487200663e841b910dff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE32 | 11212 bytes |
font_01_sfnt_off0000c80a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80A | 16792 bytes |
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