PDF malware analysis — malicious · 8647a63d599aaa50

MALICIOUS

PDF

61.3 KB Created: 2020-11-17 21:48:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: db4e5889727e9d0d055fe59495f13b72 SHA-1: 90ccc51158983190208c18c197fa3d7a047ca098 SHA-256: 8647a63d599aaa50000ef91d2ede3b3a6edb93c848c4a4ae0fad1060144e74dc

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 0.9996

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://traffnew.ru/123?utm_term=smith+and+wesson+1911+e+series+grips PDF link annotation
- https://cdn-cms.f-static.net/uploads/4365570/normal_5f897af1e1d6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384819/normal_5f9a657e5b75b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426966/normal_5fad50d2348c8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456666/normal_5fb30df99fd39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379489/normal_5f9c17b71b4db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426823/normal_5f997cca09dcb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365600/normal_5f8ad480b4301.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366407/normal_5f8754fa8af3c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e0ec2c17-8747-4db7-8c0d-4e27804828a6/red_rising_book_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/559235c8-b636-4bc6-baae-f8908a9823f6/26750751861.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6f1c7c5-04d7-4533-9a89-172348025e5b/fovorosawewerepemijipono.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_off0000b009.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB009	5744 bytes
SHA-256: `704b156d7e02f4d4b4723d063f4bbd2a05821d4a8a057804c6b845f33c403902`
`font_01_sfnt_off0000c379.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC379	10896 bytes
SHA-256: `be15e3fdee245f32808ce7f35a394db3b07d7535947dcb40967f09b3e4449a10`

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