MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one heuristic specifically identifying a large number of linked PDFs, suggesting a link farm or phishing attempt. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, and the presence of external URIs and a ClamAV detection for 'Pdf.Phishing.Trojan' strongly indicates a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.8333
Heuristics 4
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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External URI info PDF_URIPDF contains an external URL action
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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://dafemum.ru/award?keyword=tibetan+buddhist+mantras+pdf
- http://grenkasalo4.xyz/897934000647roqp.pdf
- https://static.s123-cdn-static.com/uploads/4393208/normal_5fcbac92227ee.pdf
- https://cdn-cms.f-static.net/uploads/4421468/normal_603ddf1bee639.pdf
- https://cdn.sqhk.co/xevowuto/blhdghF/toca_builders_apk.pdf
- https://cdn-cms.f-static.net/uploads/4381289/normal_5fe82f4455fa8.pdf
- https://nujalujuxak.weebly.com/uploads/1/3/5/3/135347358/5e16fefc19fab77.pdf
- https://cdn.sqhk.co/wokinuge/jjieMmp/free_student_attendance_tracker_app.pdf
- http://all-casino.xyz/prevent_form_submit_on_button_click6gwv6.pdf
- https://mufusudakewita.weebly.com/uploads/1/3/2/6/132681672/wasusobasitix-jozodebumewadi-rinegirub-guwitagib.pdf
- https://cdn.sqhk.co/fadejiweruw/ahijhLk/final_heroes_mod_apk.pdf
- https://cdn-cms.f-static.net/uploads/4474985/normal_60400bd40a4f2.pdf
- https://jagunafine.weebly.com/uploads/1/3/4/3/134363358/zoladuj_lizixazipilazi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://0c2a7d7b-be9d-4ef2-a94c-09ca905cc17d.filesusr.com/ugd/7d21c0_58bb8f87602b45b680b86d73a5adb4d8.pdf?index=true
- https://6593eeda-10fe-4128-810f-cbbc79f0a4f8.filesusr.com/ugd/c0a4bf_e5ce04ee5036431faf9023c2a8d2355c.pdf?index=true
- https://e148473a-3d1a-46f8-b788-fbc1f5af68d4.filesusr.com/ugd/e1e70b_9c9f068438ad4002bac5520c8c30c9e7.pdf?index=true
- http://zefinut.rf.gd/19475608020.pdf
- http://wikatamuk.rf.gd/scrivener_3_android.pdf
- http://povemuxituziv.epizy.com/wukeraxuzip.pdf
- http://dapizifotokom.epizy.com/4548492814.pdf
- https://ef9935f7-a918-44a1-999f-f1d50a45e4a7.filesusr.com/ugd/b463f2_dc77419b1b84440c8d86178d0265c771.pdf?index=true
- https://748f1d53-d141-46c1-926a-d14fc69713a3.filesusr.com/ugd/e3ed1f_e73072097b08425cb7cc7090033ada45.pdf?index=true
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014427.bin8400bfcb5a916dee3e8b92dd83527e1a658d7eca470406a997b7ea120c255146 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14427 | 9088 bytes |
font_01_sfnt_off000162b8.binb66de0ed902e18245a724560d53716e8e0bedda6015cf6b5309b4bb161ad9462 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162B8 | 5108 bytes |
font_02_sfnt_off000173cd.bin9123a1c4da111a845aa5fa8204a969b8e324c5c5105770c66282dcacc97015c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173CD | 4472 bytes |
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