PDF malware analysis — malicious · 46a52eef6654ed72

MALICIOUS

PDF

65.3 KB Created: 2020-11-21 08:56:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 83ec371eaef6d00e08da48c315c6b886 SHA-1: ca7625417b07ee125ee0321c7b9181701b4c1f09 SHA-256: 46a52eef6654ed728c541f0df9cb0237f803543976fd73b97b71285eddfcbabb

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. An external URI, 'https://trafffi.ru/123?utm_term=camp+chef+tundra+3x', was extracted, suggesting the document's purpose is to redirect users to a potentially harmful site. The presence of embedded URLs and the overall classification strongly point towards a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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/123?utm_term=camp+chef+tundra+3x PDF link annotation
- https://xijukuto.weebly.com/uploads/1/3/4/3/134354051/3587484.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405687/normal_5fb5bf8d46687.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452846/normal_5fa1007d7c7a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4405899/normal_5f9b59b22b0fa.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/bokofapig/59279742528.pdfIn PDF document text
- https://s3.amazonaws.com/rotowan/brutus_beefcake_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2918d4f-4fa6-4ff5-80b0-50682f39573d/xezot.pdfIn PDF document text
- https://s3.amazonaws.com/jofunozuzof/crack_windows_7_starter_32_bit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/520afd09-ac02-4534-8668-3cb02fe5e0aa/pubg_song_download_mp3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9309ba2c-647c-47b1-8b50-ad3a882e2d49/27475202587.pdfIn PDF document text
- https://s3.amazonaws.com/zagapaxa/47074550811.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_off0000c288.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC288	5320 bytes
SHA-256: `d9fba07f1e148f374b76c8d3dfd5b4864d21092abec0822ba3a524bf00b43c86`
`font_01_sfnt_off0000d47f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD47F	10764 bytes
SHA-256: `fefd1d5f450a8db843af96096fa683e96b18d9dc0318f628f565fbbdb73f2200`

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