MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to a link farm, suggesting an attempt to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating a strategy of using many distinct, disposable hosts to obscure malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://wadirumshootingstars.com/userfiles/file///9375404692.pdf
- http://viquadro.com/userfiles/files/vajadexewomolabutugo.pdf
- http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/xowibalukegefag.pdf
- http://sbs-group.co/userfiles/files/9477078028.pdf
- https://unitedfightalliance.com/ckfinder/userfiles/files/57317704103.pdf
- http://huonglonghotel.com/uploads/image/files/dururonutetikogaxejadutu.pdf
- https://sibois.eu/userfiles/file/gowazepiso.pdf
- http://hoachattn.com/image/files/34786838138.pdf
- http://nedvizhimost-v-sharm-el-sheikhe.ru/uploads/files/87336979368.pdf
- https://weekendtripskolkata.com/userfiles/file/98852222373.pdf
- https://globalmediaminds.com/uploads/files/3977026679.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16137fcd553f18---nunujatox.pdf
- http://sjhtractor.com/d/files/39220792696.pdf
- https://i-try.tw/upfile/files/2021/09/08/52743604686.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9c946b323---3756921363.pdf
- http://td-mg.ru/uploads/files/98195189049.pdf
- https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/7550581431.pdf
- https://fonixkoncert.hu/upload/file/nosubofafopisu.pdf
- https://jatransfer.com/userfiles/file/55389795969.pdf
- https://fullprotec.com/ckfinder/userfiles/files/gokupufosanobabe.pdf
- http://mayingiabao.com/upload/files/sivepitipozeko.pdf
- http://test-immo.com/file/puzidod.pdf
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/jajafovuxadula.pdf
- http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/40082370313.pdf
- http://gdlejia.com/uploadfile/files/20210904_082333.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=addition+and+subtraction+of+decimals+horizontal+worksheets
- 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_off0000db06.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB06 | 16792 bytes |
font_01_sfnt_off0000f318.bin78a0b739beedaef51ee0da10d4a2b02076765e75ceba9a7f8fa54f86a7acb6f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF318 | 17424 bytes |
font_02_sfnt_off00012025.bin56603d90ea7d46d4978d21fc559680d88ad1895fe1fcce6630c034b77854d2ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12025 | 11200 bytes |
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