PDF malware analysis — malicious · e04b3c39ea0c0b3f

MALICIOUS

PDF

70.4 KB Created: 2020-12-24 23:56:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: b9bf5f38f23532f72220df8df2e4ecad SHA-1: ba0f07608dfdc8071cb5a12d9d6e16758b624775 SHA-256: e04b3c39ea0c0b3f8359e191b203a28f34799557aa00c8ac9b6e99b1052de5f0

104 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 presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://traffnew.ru/strik?utm_term=web+cartoon+maker+download PDF link annotation
- https://cdn-cms.f-static.net/uploads/4383300/normal_5fa1c37fc6298.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404723/normal_5f991e88d790f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386086/normal_5fda2a2fcabff.pdfIn PDF document text
- https://jubekufolofifi.weebly.com/uploads/1/3/4/5/134593927/lotolizuwat-zugisifako.pdfIn PDF document text
- https://bitojobuf.weebly.com/uploads/1/3/4/8/134892495/gedofuzod.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/ropidadegaxut/swot_analysis_template_microsoft_word.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f28e0a46-1108-4732-a810-9043c732f602/stick_wars_2_game.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/145d7a45-1354-4797-a466-780b80242a33/skyrim_bleak_falls_barrow_puzzle_door_glitch.pdfIn PDF document text
- https://s3.amazonaws.com/dogazisuze/37804792696.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/368ac67a-c7f3-45d0-85d3-fc3b3c14ee7f/2161245900.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_off0000d3fa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD3FA	5216 bytes
SHA-256: `bca51401ff43cc51ef5383c442a5ce12e4f7984ec7b90b4892405152f9ea6053`
`font_01_sfnt_off0000e5be.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5BE	11600 bytes
SHA-256: `e87f916016bf5e68c02200a2785f44498b074f287f95be4d9c9eed3f1e14b8db`

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