MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a high number of embedded links, many pointing to unknown or potentially malicious domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and numerous external links are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://mayxaydungthienlong.com/uploads/files/files/28643308729.pdf
- https://ego-sofa.tw/uploads/files/202109110158251751.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161397e1a64eb7---gedesikanuluj.pdf
- http://tbeaindia.com/userfiles/file/32597379098.pdf
- http://b-solutions.net/userfiles/file/samodenezozij.pdf
- http://leebyunghun.kr/new/upload/board/files/gimap.pdf
- https://probidjp.com/ckfinder/userfiles/files/20210920_090805.pdf
- https://ptogel1.com/contents/files/vanapigevejitodeguwajuta.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe762eff02---xezefavakan.pdf
- http://allgeology.ru/ckfinder/userfiles/files/fibazunax.pdf
- http://aorganboys.handyfriendship.com/upload/files/sujawa.pdf
- http://www.pattyn360.com/upload/forum/files/9551561970.pdf
- https://kmkmekanik.com/upload/ckfinder/files/82454244126.pdf
- http://nfc-lampang.com/user_img/files/tajiku.pdf
- http://libron.pl/fckupload/assets/file/kiwotoxenasedid.pdf
- http://corkpotters.com/images/5714945080.pdf
- http://budohurtsa.pl/userfiles/file/zexonuvopubalutizatixot.pdf
- http://bananamusic.tw/uploads/files/202109121031102533.pdf
- https://vanrun-it.nl/userfiles/files/48683587658.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/84461554696.pdf
- https://envirotechindia.net/admin/userfiles/file/mebiwavot.pdf
- http://pedraferro.com/files/files/91990551297.pdf
- http://hcbarrett.com/user_area/file/41909272412.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=emulating+android+on+pc
- 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_off0000e903.bine01a7c796e0b8c41bcf3eaae3e0f9d4c620f56912a399213ae8f1f3cc49295a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE903 | 10640 bytes |
font_01_sfnt_off00010109.bin38324fd5b359b8a3ce6022c2595b8b5019ed6eb48a28b6193165a109b3d1bd32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10109 | 16816 bytes |
font_02_sfnt_off00012c8a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C8A | 16792 bytes |
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