Malicious PDF — malware analysis report

Static analysis result for SHA-256 29aca545b078152d…

MALICIOUS

PDF

58.0 KB Created: 2021-06-07 12:20:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2939a51d78e3838184b6a3ea16d1747e SHA-1: 548ba75bfa037961e81d23ad0e4520f32c563b66 SHA-256: 29aca545b078152d5811c0fb53da3aa87e3ff83d238060a22725274ea450654d
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

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 0.6420

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://pistant.ru/pbw?utm_term=icis+pricing+report PDF link annotation
    • https://sowibize.weebly.com/uploads/1/3/5/3/135348762/fa0145eb6.pdfIn PDF document text
    • https://tokoposejod.weebly.com/uploads/1/3/1/3/131380771/b2d95.pdfIn PDF document text
    • https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/xewupomezilet.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb437a4b-0ce9-4b81-a39a-d71d913d7e1c/gilokedu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0a94d89-f722-4daf-9aca-509e856b25a0/a_son_is_a_son_quote.pdfIn PDF document text
    • http://pilujibos.pbworks.com/f/52023223545.pdfIn PDF document text
    • http://puzavofan.pbworks.com/f/zajegezipezamox.pdfIn PDF document text
    • http://bofamawetodo.pbworks.com/f/can_you_use_a_ps4_controller_on_minecraft_pe_ios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e301965-38ad-4b01-8ddc-470d072a0ca3/counter_strike_1.6_full_version_free_download_for_windows_7.pdfIn PDF document text
    • http://ruwomodanom.pbworks.com/w/file/fetch/144469950/la_grande_tribulation_de_jerusalem.pdfIn PDF document text
    • http://disisopaz.pbworks.com/f/simple_compound_complex_and_compound-complex_sentences_exercises.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/be3f4aa6-207e-4250-bee6-55bf0a7db100/54492644003.pdfIn PDF document text
    • http://lokuwulixit.pbworks.com/f/tubudaja.pdfIn PDF document text
    • http://tujelupirobe.pbworks.com/w/file/fetch/144614331/goat_simulator_payday_free_download_android.pdfIn PDF document text
    • http://sutodoromar.pbworks.com/f/employee_training_database_template_excel_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05a06734-9685-497d-b8ee-586441f1fba5/rawupozulezoxozos.pdfIn PDF document text
    • http://pifiloxema.pbworks.com/w/file/fetch/144736767/how_to_get_your_instagram_followers_active.pdfIn PDF document text
    • http://mapijakemifo.pbworks.com/w/file/fetch/144433281/vazemajumit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/df4de43b-d66e-43de-a14b-75d3a8bad857/tork_light_timer_parts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8309cec5-f468-4685-91a1-615bc89e3293/what_does_a_blue_iris_symbolize.pdfIn PDF document text
    • http://sakulibur.pbworks.com/w/file/fetch/144697278/types_of_speech_acts_locutionary_illocutionary_perlocutionary.pdfIn PDF document text

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