PDF malware analysis — malicious · 5ebdf71ad79fbe2d

MALICIOUS

PDF

71.4 KB Created: 2021-01-26 09:49:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 1ac0deca2b7f711bf2fe51320d24ea27 SHA-1: b588820323b626137d4ccb010641b9f2165657df SHA-256: 5ebdf71ad79fbe2d77d9655f5c33447957babc90a06b2e55b6eae0018463136e

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-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://jacksth.ru/123?utm_term=jail+and+bail+fundraiser+warrant+ideas PDF link annotation
- http://pumujavebedopa.iblogger.org/glitter_foam_sheets_a3.pdfIn PDF document text
- https://cdn.sqhk.co/tijinujul/5rbR2mB/winking_lizard_beachwood_reviews.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387036/normal_5ffa87627c740.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420260/normal_60055f6f344bb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476595/normal_5fc6ce17e06e7.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://nugafafekovad.epizy.com/inequality_quadratic_equation.pdfIn PDF document text
- http://kimekidagi.rf.gd/lilavobodevulavixu.pdfIn PDF document text
- https://s3.amazonaws.com/wemupajese/airbus_a320_aircraft_maintenance_manual.pdfIn PDF document text
- https://s3.amazonaws.com/jinabisura/hexatech_vpn_for_android.pdfIn PDF document text
- https://s3.amazonaws.com/polexebuj/sat_dec_2018_answer.pdfIn PDF document text
- http://zogivumomu.epizy.com/ciel_rodrigues_mil_vidas.pdfIn PDF document text
- http://vekujekodabudu.epizy.com/7460179773.pdfIn PDF document text
- https://s3.amazonaws.com/befafuni/ridevamigiwizasevat.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_off0000dbb2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBB2	5124 bytes
SHA-256: `d74a71aa719f24584384fe1daf197f84ad6bb673e3e87e20248e311c5457e5c3`
`font_01_sfnt_off0000ed41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED41	10468 bytes
SHA-256: `f1f99b7ec5637ecfebb530b8c0cabb569af3633da50caafa48349dbc6a401520`

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