PDF malware analysis — malicious · 28d190d01e7dbcc3

MALICIOUS

PDF

77.8 KB Created: 2021-02-17 10:30:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 6c7ececa1c825a57e3006aa03616aa8a SHA-1: 9f7d0bfbe10ee9878f2ac1a2c9942cb1b49049d6 SHA-256: 28d190d01e7dbcc3f33074243a880faf451cb97c6f0e3201f5c052332075bc2e

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://bologen.ru/wix?keyword=pixel+gun+mod+apk+17.8.2 PDF link annotation
- https://cdn.sqhk.co/mugegiduveb/l5hahaz/98386885299.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406771/normal_6010a83356ceb.pdfIn PDF document text
- http://lubegow.iblogger.org/97139248137.pdfIn PDF document text
- https://cdn.sqhk.co/kufomopinu/bOO3Sjb/garexiledutek.pdfIn PDF document text
- https://cdn.sqhk.co/kixagixupo/ISjjIgj/damebuliweb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409258/normal_6016917e61d0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476421/normal_600bd7f5ae241.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421478/normal_5fe7311e364da.pdfIn PDF document text
- https://cdn.sqhk.co/kerodamajop/MhiigRV/41377943644.pdfIn PDF document text
- https://cdn.sqhk.co/mubikidom/HdhdUgh/91296285102.pdfIn PDF document text
- https://cdn.sqhk.co/redusebi/jciigLZ/togufititibumedimusaj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409619/normal_60256cd7c169e.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/mokixetat/bexojitokufilafakesimud.pdfIn PDF document text
- http://zakuvusebaj.epizy.com/undertale_music_sheet_easy.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_off0000f443.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF443	5628 bytes
SHA-256: `3e34db393935fa75c2ac9b2159f5b7a4ed71c47b4fe2f66b5147ebb1c3603235`
`font_01_sfnt_off0001076f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1076F	10208 bytes
SHA-256: `3d54c60fed949f7662cb600e60683d914cb92cc92c8adf2cd04d48906c1f321d`

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