PDF malware analysis — malicious · daaadabd3f087dc6

MALICIOUS

PDF

69.2 KB Created: 2020-11-23 18:34:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-26

MD5: 0ee9bd370659bca081836eaff9cf1222 SHA-1: 4b5e34ec1ee53ef7505c494e00cda446d4a7b7d2 SHA-256: daaadabd3f087dc60b056fde5166aa04c1832ba484ff52d3fffc70611d2bff43

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 or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest it's designed to exploit users by directing them to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://traffset.ru/123?utm_term=how+to+deal+with+tactile+hallucinations PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lekizopiloref/nenu_sailaja_torrents.pdfIn PDF document text
- https://s3.amazonaws.com/gowebabuxogiro/11416934751.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26dd2843-ab6f-4bcb-8328-3006f50e30ed/65854890805.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dc3a4d53-d117-426a-86d9-b325fd7bd700/bodujaxezunalewinogofiv.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cde32b64-3419-4302-b68c-7c0132997441/ce_separa_virgula.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e6024bbf-ca9b-4438-9c6e-91336e0e5bd5/suxexupesajifogupavubiner.pdfIn PDF document text
- https://s3.amazonaws.com/sakaburepagase/tujoked.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00990920-edbd-47ee-9a56-811f28289950/mtg_goblin_guide.pdfIn PDF document text
- https://s3.amazonaws.com/jeponowon/tunimaxilavewosen.pdfIn PDF document text
- https://s3.amazonaws.com/marimejerebo/amortization_schedule_calculator.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_off0000d1f1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD1F1	4984 bytes
SHA-256: `c09ce5e682631bde3bcf78ede1369623c0e3b58e31dc9a437856efc07cee1803`
`font_01_sfnt_off0000e2ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2ED	11064 bytes
SHA-256: `b702dd9d04c3c5a964d0e6cf59f23419f7db597b196975de79856a5ac6a69733`

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