PDF malware analysis — malicious · cc6bfa066afeb1b8

MALICIOUS

PDF

75.4 KB Created: 2021-03-28 20:14:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e013229a83e338f9c2b0bbc26d8ea732 SHA-1: 78dfb7ccf2d1beb6d40c4d6edeeb131248f996a9 SHA-256: cc6bfa066afeb1b8dbbeee477e82e8b44c8450e31fc228757560f45f3e5a4c1f

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 suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of external URIs suggests an attempt to download or redirect to malicious content, aligning with spearphishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://nipisod.ru/wix?keyword=homecrest+outdoor+furniture+replacement+slings
- https://cdn.sqhk.co/susononuz/EEiaijL/46405026916.pdf
- http://devlp.design/15376457640wuk5.pdf
- http://retys.fun/ribudirajidepey121h.pdf
- https://cdn.sqhk.co/tosilura/gdifakR/ralomivigonovifazudiruwi.pdf
- http://firstsecu-paypal.com/81403661763kb9n4.pdf
- http://netewe5.xyz/gexodazemupaw6ywke.pdf
- http://putinoid.ru/46358887584iwbva.pdf
- https://cdn.sqhk.co/vibisidumes/jjgieih/dead_trigger_2_download_mod_apk.pdf
- https://cdn.sqhk.co/rifarako/ggKsgi2/car_assembly_line_worker_job_description.pdf
- http://pelistens.xyz/can_you_become_a_secret_agentdnw0u.pdf
- https://cdn.sqhk.co/vedanoderifu/hhbExnZ/80841014525.pdf
- https://cdn.sqhk.co/dijabidasu/gRriXos/netflix_movie_download_limit.pdf
- http://balifruit.com/gedarn19j1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/zifilobesumafi/32490362421.pdf
- https://s3.amazonaws.com/retobifulipo/nsfas_online_application_form_2018.pdf
- https://s3.amazonaws.com/pogolo/wd_2tb_my_passport_ultra_silver_portable_external_hard_drive_usb-c.pdf
- https://s3.amazonaws.com/desekusoxi/mambo_jambo_sheet_music.pdf
- https://s3.amazonaws.com/lerezazo/biafra_news_app_apk.pdf
- https://s3.amazonaws.com/loranoduzuja/povafosizagogugugat.pdf
- https://s3.amazonaws.com/papuja/what_was_the_moral_of_little_red_riding_hood.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_off0000ea49.bin` `6abe1576450f23e98e7cc1834f7886b7d9aa78709e1466b15c17f6f28b87ff75`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA49	5436 bytes
`font_01_sfnt_off0000fcae.bin` `1bc51c430dafb40e126d374d5d8e5fa13553cee02b6463c774cbeb9013a4782f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCAE	10424 bytes

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