Malicious PDF — malware analysis report

Static analysis result for SHA-256 5de155ec42d6985d…

MALICIOUS

PDF

64.0 KB Created: 2021-06-10 03:16:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 9756af12566187a8cefd6986da79ecca SHA-1: 13be9f4ae94ed44aa02143db034cc4884f1f42eb SHA-256: 5de155ec42d6985de5b6fcaa03e2329e0d0ca26e88674f3000edac1e39a1a9b1
124 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 0.5377

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
  • 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://bologen.ru/123?utm_term=blade+and+soul+warlock+leveling+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4528780/normal_601af90a84957.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445754/normal_600c4672734d5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388037/normal_6026df37f40ab.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426820/normal_5ff11dda4688a.pdfIn PDF document text
    • https://static.s123-cdn-static-d.com/uploads/4390381/normal_60b5e4405d980.pdfIn PDF document text
    • http://kepojijudiva.pbworks.com/w/file/fetch/144517242/97253868330.pdfIn PDF document text
    • http://wixudes.pbworks.com/w/file/fetch/144938388/76618640168.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/987b9c48-d122-4604-b849-e9c73fe2db4b/how_to_get_unlimited_coins_and_diamonds_in_my_talking_angela.pdfIn PDF document text
    • http://buzivevej.pbworks.com/f/pokemon_gba_games_download_zip.pdfIn PDF document text
    • http://fogofalo.pbworks.com/w/file/fetch/144634716/xowovozabam.pdfIn PDF document text
    • http://pukagij.pbworks.com/w/file/fetch/144870408/second_order_differential_equation_solver_wolfram.pdfIn PDF document text
    • http://mupalunava.pbworks.com/f/preliminary_design_document_template.pdfIn PDF document text
    • http://detomipipu.pbworks.com/f/70348882531.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a0f71dd8-6563-493a-bcc7-190cfd89f890/r_kelly_tp2_album_free_mp3_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fd0f0410-daeb-472c-9628-b105a60e7b84/21144890041.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/184c4cab-e901-4f84-9e23-5d61523a9710/how_to_start_a_good_book_review.pdfIn PDF document text
    • http://nagaxop.pbworks.com/w/file/fetch/144541047/queen_of_the_damned_2002_full_movie_in_hindi_dubbed.pdfIn PDF document text
    • http://luwolozibiva.pbworks.com/f/muklawa_movie_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84a4f5f1-69d0-4152-b331-98d0e65f33b9/how_to_report_employee_theft_to_police_uk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ced01d6f-0744-4bbc-8be8-0b7d4dd0d265/does_cogs_include_shipping.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4427b580-55a1-418c-8a70-51fcc9f98fe6/79245656142.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/884b7387-7b42-4234-8a78-cf6bdaa6df20/lapd_swat_training_facility.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b2aba15d-1928-49a0-8b1f-d9a2fe96af48/xagajef.pdfIn PDF document text

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