MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a large number of links on disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/04f2ff0babbe821bc357e0568c05a88d/nekidibopi.pdf In PDF document text
- https://balajihighfields.in/userfiles/file/12398709711.pdfIn PDF document text
- http://sns.hu/_user/file/16535091080.pdfIn PDF document text
- http://borneneskontor-landsforening.dk/userfiles/file/tilawelanutera.pdfIn PDF document text
- http://e-baze.lv/images/site/file/duvutoripipokipepiwa.pdfIn PDF document text
- https://plasterglasgow.com/fwd_docs/file/gopukoluj.pdfIn PDF document text
- http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/13534101586.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/kasepimexopinebivefejef.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/gotefixubu.pdfIn PDF document text
- https://lenaoyunlar.net/calisma2/files/uploads/kejumomen.pdfIn PDF document text
- http://recit-de-vie.fr/userfiles/file/12387844578.pdfIn PDF document text
- https://speculatio.in/userfiles/file/26191450610.pdfIn PDF document text
- https://jpjplumbingandheating.com/FCKeditor/file/4656879491.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/xolas.pdfIn PDF document text
- http://quaretti.it/userfiles/files/zubes.pdfIn PDF document text
- https://expomediainc.com/upload/file/89052854136.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/70517753507.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/fodowatewabem.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/77911516612.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/jasamelowakorepopimus.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/21325278714.pdfIn PDF document text
- http://abyss.sk/userfiles/file/xukatawiwufaguf.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/84745023756.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/23607054935.pdfIn PDF document text
- http://snkpost.com/fckedit_file/file///20210905_10_52_55.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/likatobuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=sage+research+methods+pdfPDF 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_off0000c8bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D2 | 10900 bytes |
SHA-256: 0fb584392507b0cc44bc6167151162857b04b93b8740d953f5b453449b5bfb7c |
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font_02_sfnt_off0000f9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D7 | 16428 bytes |
SHA-256: a0c139c3564ae7b27922861c80f1e7cdcc6b4e174adfdeec947aa15bfb0de83e |
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