MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to download and execute additional malicious content. The presence of numerous external URIs, including one with a 'utm_term' parameter suggesting a phishing lure, further supports a malicious intent. The ML classifier and ClamAV detection strongly indicate this PDF is a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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 https://drafthe.ru/uplcv?utm_term=excel+pie+chart+with+subcategories PDF link annotation
- https://shevian.com/images/file/gakod.pdfIn PDF document text
- http://hoigolfbinhthuan.com/users/files/48513500142.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/muzaporofekuda.pdfIn PDF document text
- https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/jurowo.pdfIn PDF document text
- http://acudrved.com/ckfinder/userfiles/files/xewibumetumuxejeg.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/9901348a1b693b4f5464c3726740858b/20822261361.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/52764267998.pdfIn PDF document text
- http://colafranceschi.it/userfiles/files/85741215987.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/75626970132.pdfIn PDF document text
- http://tarnava.eu/user_images/file/melaguxamilevivagoniri.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/28171359653.pdfIn PDF document text
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/zikuxikunisijofuv.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/5831661783.pdfIn PDF document text
- http://rld-carbon.com/file/29898061931.pdfIn PDF document text
- http://okzawidow.pl/img/upload/files/napodotoxitubovugida.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/97092555685.pdfIn PDF document text
- http://musicpark-live.com/userfiles/file/kefaxurusuvuride.pdfIn PDF document text
- https://smshealthcareservices.com/ckfinder/userfiles/files/lezuramolaxubisafajes.pdfIn PDF document text
- http://knowleangling.co.uk/ckfinder/userfiles/files/doligopodulibib.pdfIn PDF document text
- https://binarbaid.com/public_html/userfiles/file/soxodewojividujavezel.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/68768077675.pdfIn PDF document text
- http://artdealer.vn/upload/fckimagesfile/f2aac3252d9fac384c458b5fd0bf1cb5.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/mafupopiwa.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/13902099466.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/14153619334.pdfIn PDF document text
- 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_off0000ea34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA34 | 10960 bytes |
SHA-256: c5a97d8acf38e94340e74ecb3e3f43dac6f8bf0afc507acf6e91e40677d89c52 |
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font_01_sfnt_off000103ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC0 | 18372 bytes |
SHA-256: 677ba496dc3581beba543da400a777ad247951509f9c8d86c092dd9ced116b40 |
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