PDF malware analysis — malicious · ce3a775351ad14c4

MALICIOUS

PDF

59.3 KB Created: 2020-11-11 09:31:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 9bc1e40f881febacebd3ea1cbbcd9f7d SHA-1: deedae997484fb9c7f08a9e686a8879cce141e56 SHA-256: ce3a775351ad14c4d3fce7508fd2199f039448bd8a439e59402bcb4ed71eb7e2

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://traffine.ru/123?keyword=david+childress+dds+in+danville+va PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374953/normal_5f944149c5e48.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366402/normal_5f889c079eed5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451227/normal_5fa241bedafd6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370077/normal_5f880595d1137.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/a15ef7bc-7d88-4eb7-835c-3aa0476e135f/82922927353.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/66f05317-b88c-42ff-a6a5-7a68724e8b9c/ballet_for_dummies_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d46a8b84-701c-463a-8ff0-76d33d92d57c/tiwuwaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/48838a65-a48e-408a-9e3b-edc91917a33c/ziprecruiter_reference_request.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d207f94e-388d-4e64-b6a0-636dc3f6bec7/lg_phoenix_2_specs.pdfIn PDF document text
- https://s3.amazonaws.com/lixuzo/nesipuves.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65b3b226-b802-40ac-b7ee-12bc17a510a0/79314430347.pdfIn PDF document text
- https://s3.amazonaws.com/jenagubadopi/quartzcontext_download.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_off0000ac20.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC20	5088 bytes
SHA-256: `b10c927e25fe3223927b97782545aa51b45a0d9c74684ddf89e48865eb1690c7`
`font_01_sfnt_off0000bd6e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD6E	10332 bytes
SHA-256: `4dfbcea0d986e20e8953cd0030608796ce11c3ac664a9b6a518651c35ad53b88`

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