PDF malware analysis — malicious · 3e00920387b910a8

MALICIOUS

PDF

70.2 KB Created: 2020-12-01 11:38:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 736f216bf5084048c5ef2d5146d849ea SHA-1: 90c3c511655c8fd37483ba90f518add90baefe0f SHA-256: 3e00920387b910a800d091a94a4428ebbcdf92ec6d086919d0c3068b4682e69f

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 0.9995

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://traffking.ru/aws?utm_term=tamil+guide+for+class+9+online PDF link annotation
- https://cdn-cms.f-static.net/uploads/4389797/normal_5f99f6f429c2c.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/2543138e-6cf1-48f5-a87e-c7fa2c61745d/risk_of_rain_2_engineer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d417f004-ac46-4378-9618-863018b53c00/92832974816.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cef11127-e95c-477c-bbfd-21efb7b200c4/digukobubuwutobupavoliti.pdfIn PDF document text
- https://s3.amazonaws.com/bunobu/the_sword_of_summer_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19299c88-ba6b-4f08-b2de-5203465ae152/30182309334.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cac0e239-e0dc-4a5f-bbf9-15d8103b876f/2172636164.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe09b16457125654013e22/1606289841461/kosovufijufumu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6069a0eb-6420-404b-a91b-3aabc4824edb/arrow_of_light_pin_placement.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdf726f8cdb769c6a8efe3/1606285094591/primary_spelling_inventory_grade_level.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_off0000d2e5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD2E5	5448 bytes
SHA-256: `2bafb1a44c0dd07990e55349ab378823221759e9e3b317e02f73a7f39cf698ec`
`font_01_sfnt_off0000e557.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE557	11228 bytes
SHA-256: `3e09acf1fca970281583f295309b71ffc44796cd9dbadca3de2dbc55a35ec428`

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