Malicious PDF — malware analysis report

Static analysis result for SHA-256 60cbbbd05e2a945d…

MALICIOUS

PDF

76.3 KB Created: 2021-03-17 10:04:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: d8cbe6636c2bb6949b5ddaeb5225eb02 SHA-1: 3ecabc8028561eff54e18227e4885f8de3988da3 SHA-256: 60cbbbd05e2a945dff635ea03adacdd8afb9e4e2cc75ec44d72c6255a64df8a1
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6184

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
  • 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
  • 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://mezovuduw.ru/award?keyword=bass+guitar+tabs+for+beginners+pdf PDF link annotation
    • https://cdn.sqhk.co/jinubodilev/idheQeQ/redow.pdfIn PDF document text
    • https://cdn.sqhk.co/fiseguvugele/k5ic6oH/jesinawosonexijorip.pdfIn PDF document text
    • http://jixuvofariva.iblogger.org/how_to_repair_fisher_and_paykel_dishwasher.pdfIn PDF document text
    • http://luferuvijudadof.22web.org/tawujapopop.pdfIn PDF document text
    • https://cdn.sqhk.co/wofunukasu/jqjbqrM/nyc_driver_permit_manual.pdfIn PDF document text
    • http://rocketdocs.us/nuloximufuvotodaporerihoszn.pdfIn PDF document text
    • https://cdn.sqhk.co/bexefoboxevi/dgd3N36/zelle_customer_service_number_representative.pdfIn PDF document text
    • http://rexapeduke.66ghz.com/scientific_calculator_application_for_pc_free.pdfIn PDF document text
    • http://nepifenimet.iblogger.org/valiant_force_latest_apk.pdfIn PDF document text
    • http://swiss-gear.shop/how_much_does_delta_flight_attendants_make_an_hoursniwu.pdfIn PDF document text
    • http://samoe-samaya.ru/tintin_23_books_boxed_set7whpx.pdfIn PDF document text
    • https://cdn.sqhk.co/wadupaxi/8hdEpgj/59044265226.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/bajapovogam/97698789550.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/flight_sim_2020_release_date_xbox_one.pdfIn PDF document text
    • https://s3.amazonaws.com/pasawe/how_much_money_is_kirby_star_allies.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/55793dde-0f2f-49e4-8c60-110ecf260ea7/business_mathematics_questions_and_answers.pdfIn PDF document text
    • http://mowigibimubepi.rf.gd/rubiperesogepamujofaxeka.pdfIn PDF document text
    • http://begosene.epizy.com/bijebitezifije.pdfIn PDF document text
    • https://s3.amazonaws.com/wunupalezozerud/aplikasi_emulator_ps2_untuk_android.pdfIn PDF document text
    • http://wamunezufim.rf.gd/kaun_banega_crorepati_video_2017.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad9e751f-f7e8-4dfa-b367-7d50379b18a6/jersey_mikes_secret_menu_reddit.pdfIn PDF document text
    • http://vekamujibatebig.rf.gd/xemapuxeperaz.pdfIn PDF document text
    • http://bojefej.epizy.com/zavodoponukoxefifa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2476b38-7ae4-4c69-810e-993890f55c94/libro_de_fisica_2_secundaria_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0588e770-12b5-493f-9dd4-d05425a2bb69/age_limit_for_army_reserves_australia.pdfIn PDF document text
    • https://s3.amazonaws.com/golepe/dialogue_completion_worksheet_for_grade_4.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12242 5248 bytes
SHA-256: 4a7b7d432f8cba1f8bfa418c1ba0a1c961388fe912944b2ecf099a7da50159af

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