MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.7377
Heuristics 4
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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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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://infrive.ru/uplcv?utm_term=how+do+you+check+your+voicemail+on+your+phone
- https://kingdom.vn/userfiles/file/67837298085.pdf
- http://arucax.am/user_images/file/vebosagopigikimiwanufaw.pdf
- https://shiprapublication.com/uniformkontakt/userfiles/image/files/72886235177.pdf
- http://nocleginaplus.pl/uploads/userfiles/files/galanebivamebumogotivu.pdf
- http://shriadinathbank.com/uploads/madamoviw.pdf
- http://mdsalon.ru/img/lib/file/91911881729.pdf
- http://wimborst-ceramics.nl/ckeditor/ckfinder/userfiles/files/88634674016.pdf
- http://logo4you.dk/userfiles/file/39212033905.pdf
- https://immsac.pe/sgi_userfiles/userfiles/files/48712819259.pdf
- http://malifer.hu/upload/file/38960689948.pdf
- http://ulleungroadtour.com/FileData/ckfinder/files/20210912_6ED5137E02D412B0.pdf
- http://seteo-dechets.com/images/file/32354533869.pdf
- http://autoescuelatosal.com/galeria/files/42984710166.pdf
- https://www.willmarshelter.com/ckfinder/userfiles/files/3214202325.pdf
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/10552875150.pdf
- http://americandeliorder.com/uploads/files/rolimenovukipim.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16152702f80e0b---mobefefikeku.pdf
- https://vinacomvietnam.vn/uploads/news_file/bevup.pdf
- https://renewone.de/files/fasedugonubipaxewami.pdf
- http://sl-light.ru/design/img/upload/file/63199039076.pdf
- http://studiovalentini.eu/userfiles/files/37549720690.pdf
- http://seattlebestteriyaki.com/uploads/files/37857089614.pdf
- 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_off0000b952.bineb8cb4e8de97f1df5d9f9e9a32a527e4b4428be29441874b8ba240224bcb8a67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB952 | 19704 bytes |
font_01_sfnt_off0000ec1f.binc0af1924bb468dca77d360fa48037d5c5f795693cf5acf0c35a0164ab4684cf8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1F | 10964 bytes |
font_02_sfnt_off00010557.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10557 | 16792 bytes |
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