PDF malware analysis — malicious · ebfb019f7cb7e01a

MALICIOUS

PDF

93.6 KB Created: 2020-11-13 09:09:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 98a1e814b38956c46f6e53065789fbb7 SHA-1: b595c4e3a79ba8a94ca21ac08d06a5732897830b SHA-256: ebfb019f7cb7e01aff54bfc5e9febac264435d0d73ed9495567ba20ed0cb85af

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 0.9997

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://traffine.ru/123?utm_term=journal+jar+questions+for+youth PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375909/normal_5f8efb2569abf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389599/normal_5fa66b283b945.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407998/normal_5fa0e89bbf689.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382614/normal_5f904cbd6ff35.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365612/normal_5fa4273cad4d9.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/tetenifeme/37061884442.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5c0d01c-267d-4956-a1ff-8aec2741d803/kewizisowama.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f295d6a8-90c5-4be7-852a-24b29af62150/45238583126.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6eebc80-48cc-4ab5-9806-088f6435636c/gothic_symbols_images.pdfIn PDF document text
- https://s3.amazonaws.com/gumegulaxi/61479370599.pdfIn PDF document text
- https://s3.amazonaws.com/zetare/jutufuguzab.pdfIn PDF document text
- https://s3.amazonaws.com/desekusoxi/nande_koko_ni_sensei_ga_english_dubbed.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a89dc94d-23f8-4692-8ec1-27f989dce91a/26831242142.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_off000133fd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x133FD	5148 bytes
SHA-256: `32d5a48e456be1d148534f07037f63fb7da191465d822186bca78ad8aec7bafc`
`font_01_sfnt_off0001458b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1458B	10444 bytes
SHA-256: `e3be4bdf39aacd00ec3b6251c5bd4e985f8c52cfdb9e2f2f416f72de18cb257c`

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