PDF malware analysis — malicious · 4fccec483819ea12

MALICIOUS

PDF

71.6 KB Created: 2020-12-22 11:10:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: be80468112c91f80f41b49b12865c4a6 SHA-1: ebee11b5adaa15ae415e580194ce0515f4b50fe9 SHA-256: 4fccec483819ea128ed2b2708ff098b9009373b5ccd3a01a10557cfda3ce61db

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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=hobbes+vs+locke+government PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe1fe14e98326c02d8de42/1606295522630/migikawajobonelamav.pdfIn PDF document text
- https://s3.amazonaws.com/sezebepit/74473271429.pdfIn PDF document text
- https://s3.amazonaws.com/rawesaragegugar/aaa_logo_full_version_gratis.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a2731a64-9d64-48ec-bf2f-1115babe4a0e/87116024179.pdfIn PDF document text
- https://s3.amazonaws.com/jotizifime/vefitekotiroxofekarafa.pdfIn PDF document text
- https://s3.amazonaws.com/mijumomub/36738444801.pdfIn PDF document text
- https://s3.amazonaws.com/wazorixekunafob/70946062588.pdfIn PDF document text
- https://s3.amazonaws.com/wuwabobujasivor/drawing_symmetrical_shapes_worksheets.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/18875526799.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0331317a-99c7-4c00-abf2-0822874730af/g6pd_deficiency_foods_to_avoid_list.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7c121e8e-dcbc-464b-acbf-92e26e5c9c24/40391528458.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_off0000dbfd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBFD	5132 bytes
SHA-256: `6f9b1c8ab999053e381181397b64a36f6ce03f066963144d031d3326dffcc427`
`font_01_sfnt_off0000ed6a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED6A	10640 bytes
SHA-256: `3f882c116da648ba039e5ceb6e7bc787fcd43c15f292adc7e2b61c01d7ae5275`

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