Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bbce1c2c85d8600…

MALICIOUS

PDF

58.2 KB Created: 2021-03-23 18:12:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: b42495b18c65e8a30d33a684c7128b0c SHA-1: 01387544e04503a3e75edec0b45381fe3cb91495 SHA-256: 2bbce1c2c85d86006129d35a6793c51cae0a407b802f04337bc4bac262af409f
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 0.6619

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://golowaki.ru/strik?utm_term=what+were+the+best+wii+games PDF link annotation
    • http://nutristrike-shop.ru/survival_prison_escape_v2_mod_apk_download57ral.pdfIn PDF document text
    • http://nikaold.site/490177587905zxgm.pdfIn PDF document text
    • http://mufosubofamar.mywebcommunity.org/wukofuvijenut.pdfIn PDF document text
    • http://nalodorepuwag.getenjoyment.net/tonevetoluraxamimizili.pdfIn PDF document text
    • http://bosemefawixuwov.mypressonline.com/kenmore_coldspot_model_106.511_water_filter.pdfIn PDF document text
    • http://goromeo.club/julavagudofedejisaq65.pdfIn PDF document text
    • https://lakalenavis.weebly.com/uploads/1/3/4/3/134313358/8946754.pdfIn PDF document text
    • http://oneitshop.info/dunuwavetotamizutwphp3.pdfIn PDF document text
    • http://scm03.ru/how_to_change_time_on_esi-dex_phonem1zdd.pdfIn PDF document text
    • http://titoto.xyz/joining_report_letter_after_earned_leavec01e4.pdfIn PDF document text
    • http://leftoutclub.com/download_novel_eragon_bahasa_indonesiasgjl4.pdfIn PDF document text
    • https://binazinir.weebly.com/uploads/1/3/4/1/134108718/ebaf65bc.pdfIn PDF document text
    • http://retapadu.medianewsonline.com/dewokifijawi.pdfIn PDF document text
    • http://faceskinagainbeauty.xyz/gapomafexujujoljlf62.pdfIn PDF document text
    • http://xufededubumavif.scienceontheweb.net/66846970595.pdfIn PDF document text
    • http://albatros-trans.ru/r_c_sproul_best_booksat7ru.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/74ea51d8-0bba-4861-af0b-98b351545b3e/dungeons_and_dragons_adventure_begins_board_game_review.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8faa01eb-2d92-4a81-8505-1576a703f92e/wendys_menu_with_pictures_2020.pdfIn PDF document text
    • http://mirepili.epizy.com/gamiwiserekotebaj.pdfIn PDF document text
    • http://woxenebifa.rf.gd/33613977298.pdfIn PDF document text

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