PDF malware analysis — malicious · e06174c5f8993e3a

MALICIOUS

PDF

73.2 KB Created: 2021-01-23 05:58:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11

MD5: ff426c98fe5b65666d76ac44b195dcc6 SHA-1: 35c4c78ccb839fea3cc726af2ea8266e01b50233 SHA-256: e06174c5f8993e3a452ec5a822a1d4c658e28fc47f7f574d32a515f4a0740538

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that directs users to a suspicious domain, likely as part of a phishing or credential harvesting scheme. The document body, though heavily obfuscated, suggests a lure related to academic publications.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://trafficel.ru/123?utm_term=journal+of+public+economics+acceptance+rate PDF link annotation
- https://cdn.sqhk.co/definuseju/2munriK/manafelirisemoxoxi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4386828/normal_5fe3a6f104129.pdfIn PDF document text
- http://ludokebisiw.iblogger.org/kiliro.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/libeganot/adobe_acrobat_scanned_to_word.pdfIn PDF document text
- http://gerekuvuburase.epizy.com/kikomolalojemaralavexi.pdfIn PDF document text
- https://s3.amazonaws.com/fakuguvil/carole_king_album.pdfIn PDF document text
- http://jovawat.epizy.com/ap_calculus_antiderivative_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wupagivoz/nalopek.pdfIn PDF document text
- https://s3.amazonaws.com/nefomojuwet/pourquoi_shia_labeouf_transformers_4.pdfIn PDF document text
- https://s3.amazonaws.com/tejuvonixag/chima_chima_naa_song.pdfIn PDF document text
- https://s3.amazonaws.com/xukonakefules/risopepaguwokax.pdfIn PDF document text
- http://kosener.epizy.com/connection_pool_in_jdbctemplate.pdfIn PDF document text
- http://dizojid.rf.gd/android_sdk_root_undefined_recommended_setting_ionic_windows.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e132.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE132	5288 bytes
SHA-256: `230ea2b34f1207e9600dd49b05a35349317973ce113596db5313133aa179e60a`
`font_01_sfnt_off0000f31b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF31B	10808 bytes
SHA-256: `75b73a46539cd50193a0e6554dc59d3513d4310ea8c657950e7b877fbe204b28`

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