PDF malware analysis — malicious · 24611be7f8f7be38

MALICIOUS

PDF

67.9 KB Created: 2020-11-30 17:03:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: fcf4ff90a3976965b19e03bce0e9d622 SHA-1: d92a3c90a7423fdbba1312e3e938a86add3e862c SHA-256: 24611be7f8f7be3866696bcf15f93d3ae05f12383e8bd24b33fcc30eb2a176ea

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://traffking.ru/123?utm_term=que+son+las+coordenadas+geograficas+para+ni%25C3%25B1os PDF link annotation
- https://cdn-cms.f-static.net/uploads/4381528/normal_5f93b9bb8465f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393356/normal_5f9c2c7c0cd81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403808/normal_5f9a399c27f1c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393346/normal_5fbc3a1faffbf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369782/normal_5f8bb0f36f031.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457318/normal_5fb37aea5bd1c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0dc971c8c741314319700/t/5fc10e939d79364840b2b1a8/1606487700302/star_wars_a_new_hope_123movies.pdfIn PDF document text
- https://s3.amazonaws.com/kujapomib/nifadexilamesas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/598be62b-f8b5-4e91-82dc-dc1cc214e7c2/misutovuxa.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf50c608845d0924810646/1606373575300/63400059852.pdfIn PDF document text
- https://s3.amazonaws.com/silubebebefuju/sobigabubajaxotax.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_off0000c97b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC97B	5596 bytes
SHA-256: `5a317377fa16e47a78232089dc5870e527ebf1b28bdb6f37e4589194fd29a4c4`
`font_01_sfnt_off0000dc51.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC51	11240 bytes
SHA-256: `77149241a118b0041ed35132d3bea88747a82fd802525f9b5623d2e36d6f9682`

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