PDF malware analysis — malicious · bde3474b430f8d79

MALICIOUS

PDF

63.1 KB Created: 2020-11-17 21:43:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: ef6826b4c63e5b802ec5163364189e60 SHA-1: 262d79640ffc0580bdb8f0fc661788cb26a4e4c0 SHA-256: bde3474b430f8d792ae21c4b730fad37fbda52debaa87514424a7a707ffa2f78

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://traffking.ru/strik?utm_term=freakonomics+movie+worksheet+answer+key PDF link annotation
- https://ligavovifoma.weebly.com/uploads/1/3/4/5/134522072/ffd4681d.pdfIn PDF document text
- https://gagumosesixibo.weebly.com/uploads/1/3/4/0/134018544/xetegiboj.pdfIn PDF document text
- https://dedofuzogod.weebly.com/uploads/1/3/4/3/134374436/de07f46cfb.pdfIn PDF document text
- https://masogipu.weebly.com/uploads/1/3/1/6/131606875/dotora-nutulog.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/4c2d8013-0cd3-4125-81e5-23eee7d151cc/pros_and_cons_of_fast_food.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f8d55593-17ea-424a-9659-7f7d3104d100/15887097850.pdfIn PDF document text
- https://s3.amazonaws.com/lazolu/nugol.pdfIn PDF document text
- https://s3.amazonaws.com/kewuxejikiwe/bleach_brave_souls_mod_apk.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/campbell_county_schools_ky_home.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf8f74f0-cdea-486a-9508-57a8438c9018/dazzle_dvc_80_driver_windows_7.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/625f2e11-0002-4a50-9361-c8850fa08a8b/how_to_clean_george_foreman_grill.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_off0000b82a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB82A	5280 bytes
SHA-256: `b0264fbcfadc7a9a3d1bbe13d6897c06cc48b639dc6a7f35099c9bb0c5c81e84`
`font_01_sfnt_off0000ca11.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA11	11872 bytes
SHA-256: `46fe0276749e1ae116d41d9fe04182eb1fc65da6e7f0a73a9826dd23bdd977ac`

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