PDF malware analysis — malicious · e5becb81a6b68362

MALICIOUS

PDF

69.1 KB Created: 2020-11-19 01:44:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 26c89b6761eec3fa8e5d2824b27ecc19 SHA-1: d8236ea1e49b089a174e4253315046fc1f22c2c7 SHA-256: e5becb81a6b6836266a47856fc51b648084646727745f010d538b49e45b0fde9

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 0.9998

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://trafftec.ru/123?utm_term=omnipage+ultimate+review PDF link annotation
- https://cdn-cms.f-static.net/uploads/4393370/normal_5fb2dd1d45caa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373239/normal_5fb5a600d2aee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481285/normal_5fb2e39862797.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f8ce1d3040b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376870/normal_5f90f60044ede.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374203/normal_5f99f39a5d6fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381766/normal_5fb35f55d1902.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/zunaporam/61946363724.pdfIn PDF document text
- https://s3.amazonaws.com/xezujuxoz/hobo_7_heaven_download.pdfIn PDF document text
- https://s3.amazonaws.com/mavixu/mafigogajurelupijojexopow.pdfIn PDF document text
- https://s3.amazonaws.com/ditiruz/59353053841.pdfIn PDF document text
- https://s3.amazonaws.com/mamibis/17798664467.pdfIn PDF document text
- https://s3.amazonaws.com/nitatotol/14530601046.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_off0000d266.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD266	5140 bytes
SHA-256: `ac8cad39243bcd29606405cc52f4acdc87fe9d37861bb61a8de99b71658eb518`
`font_01_sfnt_off0000e3df.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE3DF	10512 bytes
SHA-256: `0e46fd321e9e437554f97991d4fa5c82c5725c5f3bf794876a4104649478471e`

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