PDF malware analysis — malicious · 3992967bd0fca01d

MALICIOUS

PDF

58.7 KB Created: 2020-12-21 12:41:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 49c33e52b8014dd68d1a79269fffe070 SHA-1: 90c2fb086ee31f9c8898c8e34bf6a6b7d325b242 SHA-256: 3992967bd0fca01deafbedd3d7b7dbc6282d12d2d29dfb9810d496b29febc46c

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains an embedded URL pointing to a suspicious domain, which is likely used to host malicious content or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to a 'ninja fighting toy', indicating a potential social engineering tactic.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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/strik?utm_term=ninja+fighting+toy PDF link annotation
- https://ronabamipiboti.weebly.com/uploads/1/3/4/5/134598089/pazurixuramabiwezi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495042/normal_5fc92508b519c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382782/normal_5fd1434567eec.pdfIn PDF document text
- https://busuguzokiw.weebly.com/uploads/1/3/1/4/131406797/7297488.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/bofake/98041041419.pdfIn PDF document text
- https://s3.amazonaws.com/tobito/37617632207.pdfIn PDF document text
- https://s3.amazonaws.com/novifamigot/montagues_and_capulets_prank.pdfIn PDF document text
- https://s3.amazonaws.com/tojazudibumogab/87804880662.pdfIn PDF document text
- https://s3.amazonaws.com/rovuweraja/85854383003.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3969b7ae-bf1e-41d0-b6b5-309b3e9b1235/tosemapuwasematiwororosun.pdfIn PDF document text
- https://s3.amazonaws.com/saziwijaxodav/51180093478.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_off0000abf5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABF5	4872 bytes
SHA-256: `b65032ee226433b27b4c962b988b4347ab7e8879ac1240a0d49650dd8d54d392`
`font_01_sfnt_off0000bca6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBCA6	9976 bytes
SHA-256: `cf56f92ecf75300c2cb2de28e68bdf229d1af29ffe763f3dccec5818474cfdf4`

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