PDF malware analysis — malicious · afa6edf6b4d0f16d

MALICIOUS

PDF

69.1 KB Created: 2020-11-19 08:22:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 3a67e9e233ef16652bfa58953782543e SHA-1: 3a070b004e3178677cfdbfba0712a763d5b58a20 SHA-256: afa6edf6b4d0f16d319c889397b88cf1ed15a01b2ed3f707c9e45ea5695ed246

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The document body, though partially corrupted, contains a URL that appears to be a lure related to 'Warframe platinum guide 2019'. This URL is likely used to redirect the user to a malicious site for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://trafficel.ru/strik?utm_term=warframe+platinum+guide+2019 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409819/normal_5f93bf2546f94.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367687/normal_5f8aa4f47236e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380403/normal_5f9b068640062.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388432/normal_5f9ac0c2cdac2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443809/normal_5fae336885fd5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377100/normal_5f8b59d6747e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449973/normal_5fb29c4ea6130.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/poresi/547581329.pdfIn PDF document text
- https://s3.amazonaws.com/tirimofufemukat/old_rochester_regional_calendar.pdfIn PDF document text
- https://s3.amazonaws.com/gizonukorad/gyro_machine_propane.pdfIn PDF document text
- https://s3.amazonaws.com/vexosafugunu/apk_file_installer_online.pdfIn PDF document text
- https://s3.amazonaws.com/wixatax/conjunction_worksheets_class_3.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_off0000d0bf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD0BF	5680 bytes
SHA-256: `e94b69ec7c8ed3551a365e945817ea48d952ea14e9b275fa3093d911ad56bb7a`
`font_01_sfnt_off0000e415.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE415	10824 bytes
SHA-256: `ed995c027e84c36a0f77036f6b5dd28ea4fb2381c1a561df3898644fb80bb17c`

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