PDF malware analysis — malicious · 6ee03c556318d724

MALICIOUS

PDF

68.5 KB Created: 2021-01-13 19:21:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03

MD5: cff6ae4af2744584a86137937b91ae17 SHA-1: 7341cf85bee05a3717229006d6daa6ecf1f7c746 SHA-256: 6ee03c556318d724ab413391499ef1c25e3df35b2c949baefb530cfe71d01fe4

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing purposes. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest an attempt to exploit user trust for malicious redirection.

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://trafffi.ru/aws?utm_term=air+canada+contact+information+germany PDF link annotation
- https://cdn-cms.f-static.net/uploads/4443804/normal_5fda592fb90f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409425/normal_5f95d9ccbc335.pdfIn PDF document text
- https://cdn.sqhk.co/zipirevofu/1HJlCCp/13946512484.pdfIn PDF document text
- https://cdn.sqhk.co/dutebevon/gjjgiic/photo_editor_app_windows_10_free.pdfIn PDF document text
- https://cdn.sqhk.co/sigidezok/Nidiejc/minecraft_java_edition_launcher_not_opening.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459625/normal_5fa1acd328286.pdfIn PDF document text
- https://cdn.sqhk.co/pefatipi/OpicjgI/halauncher_android_tv_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476756/normal_5fb3074d1be20.pdfIn PDF document text
- https://cdn.sqhk.co/puburikob/kTN8hi7/nenof.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4448094/normal_5fec497e1254d.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/nelizenejakarug/mac_os_x_10._7_5.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_off0000cf14.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCF14	5224 bytes
SHA-256: `dd14759a389ac97e120ac1f1dc25e067de42ba9e2b6c9b9037dab0f6630eb8cb`
`font_01_sfnt_off0000e0d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE0D3	10948 bytes
SHA-256: `da6be16e949175ecbdd7d393fc8460810688cf67761b1dfe7a87c1b9185a5f7c`

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