Malicious PDF — malware analysis report

Static analysis result for SHA-256 121e2009f3263f75…

MALICIOUS

PDF

74.9 KB Created: 2021-02-28 21:54:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: e771a16a94a22e700e6fdb0950a9155d SHA-1: 593301a8cc30eb05fbff2c4ed9d54663d8384186 SHA-256: 121e2009f3263f751cde8c17c8e6ccc4ff5a0a2b13ce247ed1cf8c9423832746
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to external websites, with one prominent URL pointing to a suspicious domain that is likely part of a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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/strik?utm_term=swann+security+camera+wiring+diagram PDF link annotation
    • http://cg-designer.xyz/siritujothzpq.pdfIn PDF document text
    • http://reduslim-italiaufficiale.site/verb_noun_adjective_list_3asxpxan.pdfIn PDF document text
    • http://supportcopyright.net/2009_volkswagen_tiguan_transmission_fluid_change2x4e5.pdfIn PDF document text
    • http://veletekuti.66ghz.com/archon_android_emulator_system_requirements.pdfIn PDF document text
    • https://galujamisone.weebly.com/uploads/1/3/1/8/131871568/kabinawo.pdfIn PDF document text
    • https://cdn.sqhk.co/rogenujudita/hbYAigw/skidstorm_skid_car_rally_race.pdfIn PDF document text
    • https://cdn.sqhk.co/tobijoge/jiagjTI/control_center_ios_14_premium_apk.pdfIn PDF document text
    • https://jesidovelagira.weebly.com/uploads/1/3/4/7/134705211/pijorokusalenabifov.pdfIn PDF document text
    • http://matroskin.space/magazine_cover_template_microsoft_publishernlj80.pdfIn PDF document text
    • http://evatopshop.xyz/lenerilabujadibejq7ca.pdfIn PDF document text
    • http://affilateapp.online/nifenusegogetkl0p7.pdfIn PDF document text
    • https://cdn.sqhk.co/zarejesorufo/LQhhDjd/food_delivery_driver_job_description_resume.pdfIn PDF document text
    • https://gupolakeg.weebly.com/uploads/1/3/1/8/131871569/gozirunenimuwepoze.pdfIn PDF document text
    • https://cdn.sqhk.co/pulazapusaw/gjljcja/26332872885.pdfIn PDF document text
    • http://dematovaxitak.22web.org/56015457621.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pugomonapoxuxe/92631090096.pdfIn PDF document text
    • http://surobufalinaxis.epizy.com/kgf_background_music_free_tamil.pdfIn PDF document text
    • http://jisemitasun.epizy.com/kefuruwemivigigujad.pdfIn PDF document text
    • https://s3.amazonaws.com/pulavokaxe/anova_sous_vide_manual.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.

FilenameKindSourceSize
font_00_sfnt_off0000e867.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE867 5524 bytes
SHA-256: 0a18d8c54622c5c7e3cd0904dfc5e4f62a46909c0ac9276a9608e859dcd66f5d
font_01_sfnt_off0000fb2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB2C 10356 bytes
SHA-256: ba5fb1a6501a8151edbae908e4f06e4a65ab9174a610b2a4acf1105b976754be

Open this report in the interactive analyzer, or submit your own file for analysis.