MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'https://jacksth.ru/123?utm_term=normas+apa+pdf+referencias+bibliograficas', which is likely used for phishing or to download a secondary payload. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of the external URI strongly suggests a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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://jacksth.ru/123?utm_term=normas+apa+pdf+referencias+bibliograficas
- http://kiparegazeratax.getenjoyment.net/apc_power_saving_back_ups_pro_1500.pdf
- https://cdn.sqhk.co/xibetevoxaj/L1icNgd/11775463183.pdf
- http://jakesubinosol.scienceontheweb.net/82902247475.pdf
- https://cdn.sqhk.co/lowanivari/ij2iihi/56988945815.pdf
- https://cdn-cms.f-static.net/uploads/4486200/normal_6018aeeca2c75.pdf
- https://cdn-cms.f-static.net/uploads/4466172/normal_603e2aa989ed3.pdf
- http://ziwegiwe.iblogger.org/eight_of_wands_reversed_tarot_guide.pdf
- http://pinegobojefo.getenjoyment.net/49801819943.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/7059bfc0-d858-490b-adb7-5f200a9eb650/what_is_a_general_release_of_claims.pdf
- https://uploads.strikinglycdn.com/files/0712de1d-bce4-4455-ab23-203ae8ffcdbf/pakakimazu.pdf
- https://s3.amazonaws.com/tigovatolis/letra_y_acordes_de_canciones_romanticas.pdf
- https://uploads.strikinglycdn.com/files/411bb574-c50e-4cad-b49d-0155a7a81429/zajik.pdf
- http://vogijub.rf.gd/gakazugesez.pdf
- https://s3.amazonaws.com/gidibesuxi/brother_mfc8710dw_drum.pdf
- https://uploads.strikinglycdn.com/files/554c38ac-e6a8-42c8-aa10-c74db2dd8d1c/13836265381.pdf
- https://uploads.strikinglycdn.com/files/acba8cdf-3778-4b3a-b15b-f8007f3ac8c6/68406746281.pdf
- http://didopip.epizy.com/fuziwavubadexoxirigad.pdf
- http://dupivet.epizy.com/does_anti_inflammatory_diet_really_work.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f0be.bin249f47eb14080a48c38df40a8b734fbd649368b5008ad51060dc381de6fca325 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BE | 5584 bytes |
font_01_sfnt_off000103a2.bin1765e37a543fe8c905278ee62c87a6dbb633297022403d027ccd781cffb1d958 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A2 | 12400 bytes |
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