PDF malware analysis — malicious · 9d89ee89be67d4b7

MALICIOUS

PDF

60.4 KB Created: 2020-11-10 08:51:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: f83d218fff69a8531cd96321a31eb3cd SHA-1: 986bd048fcd52ef00b64019816eaf3ad180a8318 SHA-256: 9d89ee89be67d4b785810528cef08a5ecb3301987d006989203bf5492c90aa2b

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=mistar+student+connect+northville PDF link annotation
- https://cdn-cms.f-static.net/uploads/4370078/normal_5f88978b8a81e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376854/normal_5f9451bdbafcc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f9a6c56d4dab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416128/normal_5fa188d2badea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380890/normal_5f97459d87c23.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374954/normal_5f8c113b805e7.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/napejaxosinages/ancient_indian_civilization_timeline.pdfIn PDF document text
- https://s3.amazonaws.com/kexamoxusinixu/quia_spanish_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e5117e53-24c0-4d23-92b3-9acb73e2256e/96067694580.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ac57b9c-cbc9-430b-9d7e-3d374df33ed9/microsoft_rewards_bot.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/oil_rubbed_bronze_kitchen_faucet_with_side_sprayer.pdfIn PDF document text
- https://s3.amazonaws.com/vonusirukete/fesepobironusu.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/amendment_in_constitution_of_pakistan.pdfIn PDF document text
- https://s3.amazonaws.com/jeduzizonox/ynw_melly_released_prison.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/610e806d-3f44-46c5-9fed-4da6b6878069/nenaruzaz.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/canalisations_lectriques_cours.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_off0000af67.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAF67	5092 bytes
SHA-256: `6d23e5f57963139bab2ec51767c6892f016becc6278cb4e100f16a7c91df2ef0`
`font_01_sfnt_off0000c0c4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC0C4	10792 bytes
SHA-256: `a0902e87fb1dd1159354bcb3f00c07a0ad3f5692dca4bf0ca90c7d020a9bcff1`

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