PDF malware analysis — malicious · 31cda4f29dc1513c

MALICIOUS

PDF

66.3 KB Created: 2020-12-09 19:49:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: e65c946a416558707eb3ef3d90b27d81 SHA-1: dcec79410e4011e3375f4b861f381a0e642b5024 SHA-256: 31cda4f29dc1513c588e07a6b3fe06bc145bcf12cfa211770b0fa9db40cf3da5

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 0.9998

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://traffine.ru/strik?utm_term=six+flags+height+requirements+georgia PDF link annotation
- https://cdn-cms.f-static.net/uploads/4376849/normal_5f909e97c1b64.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370265/normal_5f890f5833271.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457318/normal_5fb969eaa9f6c.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/defujo/raforaxebogi.pdfIn PDF document text
- https://s3.amazonaws.com/bejikefowu/git_hook_commit_message_template.pdfIn PDF document text
- https://s3.amazonaws.com/fatikonavori/53903147096.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5300db45-65aa-4bb3-b180-16a795fb6257/82635821934.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3b3c4dfb-e9b3-4a51-9cd6-69a2d9548841/misepilixoroxoxofewu.pdfIn PDF document text
- https://s3.amazonaws.com/selivuvumepaveb/21276411489.pdfIn PDF document text
- https://s3.amazonaws.com/fapaga/zinafuwiwidulo.pdfIn PDF document text
- https://s3.amazonaws.com/gajakelegeza/apk_for_minecraft_free.pdfIn PDF document text
- https://s3.amazonaws.com/pegebunov/angular_6_reset_form_before_submit.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_off0000c35f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC35F	5480 bytes
SHA-256: `8165faee2d9e19c6085feca0fef3ad77dd2af316802fe3c8f565568dd5a00f86`
`font_01_sfnt_off0000d5db.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD5DB	11452 bytes
SHA-256: `252f58b3a8f20a2f929fbed4b344025ea063ae7c2c2a06bf4f24c7426b70adcf`

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