MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript and numerous external URIs pointing to disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is a link farm with many links to distinct, potentially disposable hosts. The embedded JavaScript likely facilitates redirection to these malicious sites, contributing to a phishing or malware distribution attack.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4789
Heuristics 6
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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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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://allytemp.ru/uplcv?utm_term=turn+off+data+roaming+android
- https://optical-axis.com/uploads/files/202109102017598291.pdf
- http://franceplus.fr/userfiles/file/zijiwimaxakabi.pdf
- http://khautrangkhangviet.com/upload/img/files/fasin.pdf
- http://pekingtogo.com/uploads/files/donumenir.pdf
- http://ettermanenterprises.com/ckfinder/userfiles/files/79367790642.pdf
- http://prograsifkalip.com/files/peponifazexaxaworajuwig.pdf
- http://9262895.ru/ckfinder/userfiles/files/87423717256.pdf
- http://etkenkalip.com/files/kejakebutejibituzuxuz.pdf
- http://tobn56.com/UpFiles/file/notebapumigeri.pdf
- http://avision-italia.com/userfiles/files/35758039932.pdf
- http://motopujcovnateplice.cz/userfiles/file/debolevenejiwom.pdf
- https://agrando.cz/files/file/88156856470.pdf
- https://cmf8.ir/data/file/89492654038.pdf
- http://zzzwchem.com/upload/files/14386648941.pdf
- http://italiangreyhound.pl/img1/userfiles/file/geturago.pdf
- http://tincorner.vn/uploads/files/wojeriwetegepewaga.pdf
- https://kingwrapcarspa.com/upload/files/37321803945.pdf
- http://files.ibiza-ferien.de/file/40301754016.pdf
- http://www.anaja-inter.org/public/file/22689699650.pdf
- http://unewstoday.com/task/userimages/file/getawiramavofosokor.pdf
- http://aven.su/userfiles/file/7170539091.pdf
- http://studioingegneramato.com/userfiles/files/tozalazolixegatorug.pdf
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/18920549090.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/5f9a403e4dfafb67444c49892de9686b/sumaso.pdf
- http://ambvetesopo.eu/userfiles/files/sumip.pdf
- https://tndvn.com/js/ckfinder/userfiles/files/lagaramimux.pdf
- https://gruntbudowa.pl/files/file/guduwejaxavexizevolipafoj.pdf
- http://heimundsicherheit.de/userfiles/file/44651508500.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_off0000de62.binba291bbb2ab4a2265f40fb08dc825c13c81e0bd716c2d7d40522f148b4dda0a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE62 | 10416 bytes |
font_01_sfnt_off0000f5b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B3 | 16792 bytes |
font_02_sfnt_off00010dc5.binae9c4eb7ec510a2844108857c24e4a48a5330ba4d120d2cabd412a3cd7495999 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC5 | 17844 bytes |
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