MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that this document is part of a scheme to distribute malicious content, likely through phishing or social engineering tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://tainghe.vn/userfiles/file/ruxasemujizesoluvanus.pdf
- http://galantemontagnana.it/ckfinder/userfiles/files/xukuzode.pdf
- http://brunagabriele.it/userfiles/files/29090309364.pdf
- https://lyonsinn.com/nbloom/fckuploads/file/19185648618.pdf
- https://aihr-iadh.org/uploads/FCK_files/file/lazamogokodamewe.pdf
- https://sarna-zapiekanki.pl/ckfinder/userfiles/files/jenix.pdf
- http://jshtextile.com/UserFiles/file///3985680818.pdf
- https://gtijsr.com/userfiles/file/23845219135.pdf
- http://topspeed4wd.com/ckfinder/userfiles/files/xipilinefozopipaserulif.pdf
- https://adium.ru/userfiles/file/gesufeba.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141aa34f0174---kaguw.pdf
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1632630099.pdf
- http://thaimassageboy.com/ckfinder/userfiles/files/nomakupuxipuxuvu.pdf
- http://columb-sklep.pl/userfiles/file/logelozosemesuxe.pdf
- http://pwr-tech.ru/userfiles/file/zizulose.pdf
- https://aymfly.com/aym_image/files/11501969271.pdf
- https://bursakaynak.net/userfiles/file/9222235960.pdf
- https://vargyasnekonyveles.hu/kepek/other/file/43541836641.pdf
- https://alebusph.centralcms.cloud/galeria/files/reluliwudi.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/695a19c099c35e591d7b8be20b4840af/22414936681.pdf
- http://consade.com/userfiles/file/nebagatex.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=dark+souls+3+apk
- 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_off0000ab21.bin5f3ac78e48038d4b00616068d8efab19f4c2b971a4dc0750ecee5151c4d9ded3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB21 | 10184 bytes |
font_01_sfnt_off0000c21a.binaa6f10480563a6a559d1a560af20a3ff630ef0ab2fd8e66d5569d3704f7ac484 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC21A | 15640 bytes |
font_02_sfnt_off0000e9d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D1 | 16792 bytes |
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