PDF malware analysis — malicious · ead2a336acf0e469

MALICIOUS

PDF

78.6 KB Created: 2021-03-04 01:52:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8bb9545ca32862f71cee272bcd7e22cd SHA-1: 4f2e28fec2117e90fbf55a3ffbf7af8a73d43a4f SHA-256: ead2a336acf0e469ba6882aca00c87cb54bfdc8165b1e91ec8e0c62ec9c975be

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI that redirects to a malicious domain, disguised as a free offer for a 'First aid book'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

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://soxebez.ru/123?utm_term=first+aid+book+free
- https://cdn.sqhk.co/medukukekuke/zhaYhgt/34532298217.pdf
- http://zumubexupon.22web.org/govuduxatowaka.pdf
- http://zobevewobuka.22web.org/2010_chevy_tahoe_lt_manual.pdf
- http://prostotit.site/1400563258322e4u.pdf
- http://bakaxufukove.iblogger.org/arbitrary_waveform_generator_arduino.pdf
- http://afracheat3.xyz/fupodiwoxewivojuzarsq7ok.pdf
- https://cdn.sqhk.co/jigavozef/hbjhthf/wagifosudosefad.pdf
- http://laulu-go.ru/mega_trainer_experience_premium_crac89zuu.pdf
- http://nofovukad.iblogger.org/vaxejamotegij.pdf
- http://justiciaforjustice.com/82683594714cm8ko.pdf
- https://cdn.sqhk.co/jowowibow/fgjZJqX/weecare_emergency_alert_and_personal_safety_alarm_keychain.pdf
- https://cdn.sqhk.co/rifojimuna/ryMgj8o/87682426256.pdf
- http://getyourscore.info/bekiledotidobokineje3pjdz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://nisewizowefad.epizy.com/saitek_-_pro_flight_x52_pro_flight_system_gaming_controller_for_pc.pdf
- https://s3.amazonaws.com/pujirageg/pesupadu.pdf
- http://tokofelutuj.epizy.com/pumivenemi.pdf
- https://s3.amazonaws.com/vavale/curriculum_design.pdf
- http://melaworogafema.epizy.com/path_of_exile_izaro_guide.pdf
- https://s3.amazonaws.com/jidosatikim/tepefid.pdf
- http://momibur.rf.gd/sarrainodu_audio_songs_3gp_naa_songs.pdf
- https://s3.amazonaws.com/sejakopa/zazumisakogu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f50d.bin` `c6e3fd1c69c719fdbf075c0db46efca57ca084f63be8c4a369ea4560116c8139`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF50D	5028 bytes
`font_01_sfnt_off00010636.bin` `b52a54c0f2644a1ebbe20ac06d78a764a6d78a16ae5520fecb43a2411b6c7302`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10636	11444 bytes

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