PDF malware analysis — malicious · ae17fe7886c2e244

MALICIOUS

PDF

66.6 KB Created: 2021-05-31 16:47:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 313c3f8a613b68f3919166127578b22e SHA-1: 44ad9dc678dda3ec45118dfeafa5a8e8c733306f SHA-256: ae17fe7886c2e2445c5bc0fb46249e458129d5fee2702c31a9180ccbd885af90

94 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to riddles, aligning with phishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.7793

Heuristics 3

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
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://queure.ru/pbw?utm_term=riddles+with+answers+hard+pdf
- https://cdn-cms.f-static.net/uploads/4452169/normal_601445427e4ca.pdf
- https://cdn-cms.f-static.net/uploads/4375073/normal_605482a3b74ec.pdf
- https://cdn-cms.f-static.net/uploads/4421474/normal_605034cb1b2b8.pdf
- https://cdn-cms.f-static.net/uploads/4381081/normal_5fe6e29c58ae1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://nusuwoxub.pbworks.com/w/file/fetch/144413517/to_kill_a_mockingbird_vocabulary_chapter_24-25.pdf
- https://uploads.strikinglycdn.com/files/f0b9bd0f-9a15-4db3-8a11-9170ec7ccf5f/cyberpunk_2077_ps4_gameplay_video.pdf
- http://lekipirunezi.pbworks.com/f/my_boy_emulator_apk_ios.pdf
- https://uploads.strikinglycdn.com/files/791e45b0-c4ec-4ac8-9e55-0749a17b257b/fobinugodetujokuzegumafas.pdf
- http://fuvesiwowegu.pbworks.com/f/exercises_on_direct_and_indirect_speech_for_grade_6.pdf
- https://uploads.strikinglycdn.com/files/97446820-8f5f-41ca-800f-5e255fac593f/5827567574.pdf
- https://uploads.strikinglycdn.com/files/18b8be31-7267-4e2f-b493-1894159f563a/rafuzinozunoxemupewulefat.pdf
- http://xalanupuzewo.pbworks.com/f/93425515896.pdf
- https://uploads.strikinglycdn.com/files/289a4411-c03b-4bac-9d31-75ac7c0a673d/64002203665.pdf
- https://uploads.strikinglycdn.com/files/2138aaed-8322-4637-8430-453fbfbf0264/inicio_de_ciclo_escolar_2019_estado_de_mexico.pdf
- http://xojifot.pbworks.com/f/how_to_reset_tzumi_sound_mates_no_buttons.pdf
- https://uploads.strikinglycdn.com/files/f3da70f1-4eb7-4347-bda6-daf140d4e5c4/honeywell_quietcare_humidifier_hcm-6009_filter.pdf
- http://zegugas.pbworks.com/w/file/fetch/144411402/98489508918.pdf
- http://xifilipisi.pbworks.com/w/file/fetch/144413700/coca_cola_lottery_company_history.pdf
- http://mumubib.pbworks.com/w/file/fetch/144413340/ejercicios_resueltos_de_gases_ideales_fisicoquimica.pdf
- http://kufujibumufa.pbworks.com/w/file/fetch/144413400/calidad_productividad_y_competitividad_deming.pdf
- http://kedetuwi.pbworks.com/f/42044879049.pdf
- http://kiletejude.pbworks.com/w/file/fetch/144411681/how_to_mix_salt_reef_tank.pdf
- http://visetululiv.pbworks.com/f/how_do_i_find_world_war_1_service_records.pdf
- http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000fa3d.bin` `f64ce14012baed0b7f5deec63f71610ba6abfc95a854442b20c008745cdcd201`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFA3D	5228 bytes

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