MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to other PDF files hosted on various domains. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure suggests a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://worldtile.net/jangheung/userfiles/file/47980046971.pdf In PDF document text
- http://chinajnbt.com/images/upload/File/sutokalenonawodija.pdfIn PDF document text
- http://unseretochter.ch/images/file/77104286717.pdfIn PDF document text
- https://micro-logic.ro/images/uploaded/file/jasowezakoburexibemizal.pdfIn PDF document text
- https://hotararicedo.ro/files/files/nakudenabarem.pdfIn PDF document text
- http://rebeccafantarchitetto.it/userfiles/files/35260543154.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5fe52eb83---1048409532.pdfIn PDF document text
- https://tepatsasaran.com/contents/files/56275870074.pdfIn PDF document text
- http://chongros.com/userData/board/file/somabowekin.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/tinigifetiz.pdfIn PDF document text
- http://chi-kara.net/Upload/files/jipofapusa.pdfIn PDF document text
- http://spreewaldpension-luebben.de/meineBilderAlbertGrundschule/file/67693691505.pdfIn PDF document text
- http://nickels.design/ckfinder/userfiles/files/xazumokamikinokabej.pdfIn PDF document text
- https://ddmmaze.altruistictech.org/documents/img/upload/files/nuwemozuloki.pdfIn PDF document text
- http://pxmonastery.org/CKEdit/upload/files/18151645378.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68664352900.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/uf7nht6og3r6mua1mjtt4amsm1/zogakezavi.pdfIn PDF document text
- https://il-gusto.com/images/file/jezenijafupuxijun.pdfIn PDF document text
- http://teplolux72.ru/upload/file/norigikikasovuperej.pdfIn PDF document text
- http://parvazyab.net/basefile/api203/files/doxebema.pdfIn PDF document text
- http://balletpanov.com/uploads/files/naxixib.pdfIn PDF document text
- http://contactfm.be/userfiles/files/tawenokekitiwapetawo.pdfIn PDF document text
- http://manpukuorder.com/uploads/files/loganurokagi.pdfIn PDF document text
- https://aeternoplanning.com/ckfinder/userfiles/files/davegakikagoledumutu.pdfIn PDF document text
- http://platypusspot.org/uploads/ckfinder/userfiles/files/tulivuke.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=puffin+os+phonePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bf6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF6E | 2156 bytes |
SHA-256: 80ab4c3bf1ce1c0196b529a8aa194f57dec117b62dd7d4f7019b0d7f6a71a93a |
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font_01_sfnt_off0000c8d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E8 | 18072 bytes |
SHA-256: 0e1936e060952f9f682f341de12d03d02ef6db8dd910dbee45d4b100bcac0683 |
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font_03_sfnt_off000110b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110B2 | 10152 bytes |
SHA-256: bd8ceb9ea31b68065b00b52a78988ec0e668e8962eb60cf7411daad177944329 |
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