MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to potentially disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the document is designed to distribute links. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://mtestbd.com/assets/uploads/files/vaser.pdf In PDF document text
- http://keifo.ru/ckfinder/userfiles/files/60823881649.pdfIn PDF document text
- https://ski-valloire.com/ckfinder/userfiles/files/lewigomorika.pdfIn PDF document text
- http://rungrawin-itt.com/userfiles/files/94170870355.pdfIn PDF document text
- http://rapabzenec.cz/obrazky/files/lipijadamubixowekasese.pdfIn PDF document text
- https://jungleflightchiangmai.com/Uploads/files/31407780970.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/42716819954.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140abe99d01f---64800802689.pdfIn PDF document text
- http://igabana.com/upfolder/e/files/20210909190054.pdfIn PDF document text
- http://shceping.com/upFile/photos/2021-9/file/91295957065.pdfIn PDF document text
- http://onroerendgoedindex.nl/images/uploads/butazogidetarefekavetari.pdfIn PDF document text
- http://nilesk.com/userfiles/file/70075856501.pdfIn PDF document text
- http://cbgnfinance.com/userfiles/file/31369137966.pdfIn PDF document text
- http://autovoda.ru/upload/files/devebevuroxetaxab.pdfIn PDF document text
- https://rosanaalvarracin.com/userfiles/file/dobudurujakuzemagujek.pdfIn PDF document text
- http://bkht.vn/userfiles/file/35226100993.pdfIn PDF document text
- http://perfekt-dom.pl/designhome/admin/userfiles/file/lebabuzurotizal.pdfIn PDF document text
- https://membermimpi.com/contents/files/muzelikelunimaxuxo.pdfIn PDF document text
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/mevoxifosuvasepevad.pdfIn PDF document text
- https://fokusmedia.com/images/uploads/16166837414.pdfIn PDF document text
- http://fatename.com/uploads/files/202109221412032421.pdfIn PDF document text
- http://bassonconsulting.mc/userfiles/file/gubukoguwefomefunosus.pdfIn PDF document text
- http://youil.org/userData/board/file/fotudusijowedogujolazez.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=kode+redeem+shinobi+life+2PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000caf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF8 | 10612 bytes |
SHA-256: 50daea4eed23cb08e101be82208c691b5b88fb7c8bc702316f8379bfbc5e0c99 |
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font_02_sfnt_off0000e2f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F8 | 16984 bytes |
SHA-256: 3a4e536bcc7d702fc74f91ffdc5e69ad08f84cb477f9916565152a09a3227b61 |
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