PDF malware analysis — malicious · 34f04a00b0ca54c1

MALICIOUS

PDF

59.5 KB Created: 2020-11-22 17:07:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 7217b9ee1c4559b93d64112f76d1e901 SHA-1: 1e9befcff895bec6dad6cd9cd3e81e327e6fcc29 SHA-256: 34f04a00b0ca54c12444a1353a9735c2977dc603933a959fc9e67c7bf2648c32

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://trafftec.ru/123?utm_term=doudna+elementary+richland+center+wi PDF link annotation
- https://cdn-cms.f-static.net/uploads/4489407/normal_5fb5b98759f07.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424982/normal_5faad18dd3508.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455657/normal_5fac1770ec114.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453336/normal_5fb47957e0db2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368964/normal_5f9500b5489e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385216/normal_5f926be7c215a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375515/normal_5f8b20c05f245.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413225/normal_5f9b61c72f690.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365591/normal_5f86f96cd4331.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366357/normal_5fb87b7e3484a.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/1612b367-6aa9-41ca-bd41-62cbae683932/xinejowa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ff28632-e101-4b89-b4ea-5b40cf2c1c77/86705910521.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a32a675c-b94c-4b62-8492-34c3f3d6548e/fixaxenuxe.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_off0000abfc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABFC	5192 bytes
SHA-256: `60369a1d2f7827526ce63bdb45f7a8a7c73b1a4c0b270eebe840920ada963c4d`
`font_01_sfnt_off0000bd97.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD97	10360 bytes
SHA-256: `957d48370882e7f5bfa4c1040b4f45c587883deb247aa9286449d7f096d51630`

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