PDF malware analysis — malicious · cd998424f55b8de3

MALICIOUS

PDF

81.1 KB Created: 2021-03-21 22:25:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3c87ebcfd74dde0475e91fe620f08771 SHA-1: 7f68d39c3902bfd5f77607dcd0d90231bf647968 SHA-256: cd998424f55b8de3f7b7f2e8d7cf5f4f5047285f06b82b131be9454413ae6141

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a phishing website, disguised as a game guide. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs suggests the document is intended to redirect users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/wix?keyword=ffxi+blue+mage+cleave+guide
- https://cdn.sqhk.co/fafujedajir/TcBiijh/82139069842.pdf
- http://yoga-italy.space/pumorumukasazabbnavz.pdf
- https://cdn-cms.f-static.net/uploads/4479710/normal_605279fdb0547.pdf
- https://static.s123-cdn-static.com/uploads/4384036/normal_60091f48e5b9d.pdf
- https://cdn.sqhk.co/ropimipaf/cijjaib/call_of_duty_cold_war_zombies_leak.pdf
- https://cdn.sqhk.co/zojixemem/Vjfbcia/sajogunilo.pdf
- https://static.s123-cdn-static.com/uploads/4390641/normal_5ff708f251d90.pdf
- http://myyshooop227.site/jofenuloda1m8jm.pdf
- http://neo-tp.ru/singer_simple_sewing_machine_3116_bobbinscl04.pdf
- http://orbitan.fun/how_to_make_money_for_watching_tiktoks896sq.pdf
- https://cdn-cms.f-static.net/uploads/4385848/normal_5fdb77cc8f385.pdf
- http://prizinsta24.online/lingua_latina_roma_aeternavm8pm.pdf
- http://zanartcc.net/7892256401t21tg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/suxiweke/wadabazemaxagonesamuz.pdf
- https://s3.amazonaws.com/jinotugiwomo/tixaneduwafam.pdf
- https://s3.amazonaws.com/xajowu/how_music_got_free_chapter_summaries.pdf
- https://s3.amazonaws.com/nefunupu/getesifejixodeverexevozev.pdf
- https://s3.amazonaws.com/zolerazowubow/banorte_movil_apk_mega.pdf
- https://s3.amazonaws.com/jeponowon/67243928636.pdf
- https://s3.amazonaws.com/mizeteb/cuban_missile_crisis_timeline_worksheet.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_off000100a5.bin` `a4a7a4ccdf97f0e6e3ffb352c0d67bfbe72958cc1f2cab1f60560194e2b1ba56`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100A5	5292 bytes
`font_01_sfnt_off000112a8.bin` `525f9f105044fbbe2a0aa4e03ceb9c005a257cbd28669ca1e3f8e4518acb77b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x112A8	10696 bytes

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