MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The presence of numerous disposable links and a redirector in the URL structure, combined with the ML classifier's high confidence, suggests a malicious intent to distribute further payloads or phish for information. The document body is heavily obfuscated and unreadable, but the heuristics indicate a link farm designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 5
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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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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://talleresjpg.es/img/file/13385590532.pdf In PDF document text
- http://7166867.ru/ckfinder/userfiles/files/49091916939.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/93884786424.pdfIn PDF document text
- http://docando.es/js/ckfinder/userfiles/files/tiwivavitamuvoguvutovomaw.pdfIn PDF document text
- http://goodtraefarm.com/ckupload/files/48893039752.pdfIn PDF document text
- http://assessmentinsight.com/ckfinder/userfiles/files/solakimigovukute.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/dunefurovanogab.pdfIn PDF document text
- http://isdoor.ru/uploads/files/zunop.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210910_F1157D27A15AFAC2.pdfIn PDF document text
- http://epodhajska.eu/UserFiles/File/mugenanosixijepe.pdfIn PDF document text
- http://spl-designs.com/ckfinder/userfiles/files/texuzosebe.pdfIn PDF document text
- http://h-n-s.net/userfiles/file/joginigafuwiwegotodum.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/romesevogejokovuxetig.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/a8ie1f3neb23r4fum5mol6nfs0/55041175395.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1613a1ed21293f---wugeladano.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/leradoganonofapene.pdfIn PDF document text
- https://krassimirtaskov.com/userfiles/files/90239385165.pdfIn PDF document text
- http://smalternatywa.pl/media/upload/files/295c2b578b27610848bf9459cf770e28.pdfIn PDF document text
- https://liho.cz/UserFiles/File/zopijofumisiwarujifafaj.pdfIn PDF document text
- http://physocare.com/Images_upload/files/33385114976.pdfIn PDF document text
- http://milwaukee.center/userfiles/file/zidotasofe.pdfIn PDF document text
- https://crc.creativechange.net/ckfinder/userfiles/files/kenepakaguxodoradabas.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/63812499288.pdfIn PDF document text
- https://101doctor.com/uploads/ckfiles/files/613988de3f79c.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/dedugugutidufiwor.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/12417610101.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=ccna+study+guide+pdf+2019PDF 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_off0000d3cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CC | 11236 bytes |
SHA-256: 254b8b02d758216060c9bc987cd1e7a32c897510db53ee0b9fd9934ab7c6b29e |
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font_01_sfnt_off0000ee3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3C | 18072 bytes |
SHA-256: e0c9e5db2765ebf01d42eed1d9594ff76cadc713edc3bbc0e9431b671c9b2cc4 |
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font_02_sfnt_off00011cdc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CDC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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