PDF malware analysis — malicious · a2b696f77f2d6c6d

MALICIOUS

PDF

68.1 KB Created: 2020-11-17 18:07:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 879ea2e18580cd51d65af385a52c4ba3 SHA-1: db3a7ae2b30222328f71e67c531fd78f5f22335c SHA-256: a2b696f77f2d6c6dfb1fea91fb787798b1fd7cf9702ca12df9abee3f2b54ff98

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 0.9995

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=scratch+3.+0+offline+editor PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383467/normal_5f9a70d236bc9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500438/normal_5fb3438081875.pdfIn PDF document text
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/8058607.pdfIn PDF document text
- https://gekitudijelal.weebly.com/uploads/1/3/4/2/134265938/269e7d02.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376087/normal_5f8d38f7edf8b.pdfIn PDF document text
- https://mufedagejex.weebly.com/uploads/1/3/4/7/134726032/xurejetexu.pdfIn PDF document text
- https://xojisige.weebly.com/uploads/1/3/1/6/131637148/wipidobozuwalo_feligavafimiti.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/kavitokolezub/autoportrait_edouard_leve.pdfIn PDF document text
- https://s3.amazonaws.com/mejifavo/xokatobagizag.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d35fe787-1b06-4d8d-b70d-b4856fd1f229/fountain_woods_school_burlington_nj.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000bb96.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBB96	5160 bytes
SHA-256: `85bdd38763edd83d819f8571155eddfb1af01441484c5ff0d795c6bdb40bf31c`
`font_01_sfnt_off0000cd0c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCD0C	13728 bytes
SHA-256: `353391e083670e5de5e103f162a1aed7678261cb9c09e89c4eb3c6051f19d3fe`
`font_02_sfnt_off0000f560.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF560	4324 bytes
SHA-256: `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`

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