Malicious PDF — malware analysis report

Static analysis result for SHA-256 2632e024b4a7fbe9…

MALICIOUS

PDF

50.6 KB Created: 2021-01-11 09:48:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: 8896303fb12bc719271ea371f2bcf002 SHA-1: f11ff50446c84bfcbcb3c15e1c3d0d9499d9e048 SHA-256: 2632e024b4a7fbe90e6773bb58914ff87d7230eb8259d672e5acb8f92fc2b266
182 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous embedded links pointing to disposable domains and known redirectors, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature. While no scripts were explicitly extracted, the PDF structure itself facilitates the redirection to malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6642

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://ggtraff.ru/aws?utm_term=dawning+of+the+day+sheet+music In PDF document text
    • https://mewuvonemifutu.weebly.com/uploads/1/3/5/3/135394867/69e607.pdfIn PDF document text
    • https://cdn.sqhk.co/mapezagul/zxIijA1/zomisixenewedobimuregoji.pdfIn PDF document text
    • https://cdn.sqhk.co/xumirikebixo/6iiYib1/66372819576.pdfIn PDF document text
    • https://site-1178842.mozfiles.com/files/1178842/fupozapepapof.pdfIn PDF document text
    • https://cdn.sqhk.co/dejuxafe/iicxchi/what_happens_to_space_shuttle_boosters.pdfIn PDF document text
    • https://cdn.sqhk.co/jakadamalate/jiahjhi/smart_in_pays_itu_apa.pdfIn PDF document text
    • https://site-1168410.mozfiles.com/files/1168410/buttons_the_musical_dvd_cast.pdfIn PDF document text
    • https://site-1179246.mozfiles.com/files/1179246/bojozujiworetijedinomogip.pdfIn PDF document text
    • https://site-1181110.mozfiles.com/files/1181110/super_mario_adventures_episode_10.pdfIn PDF document text
    • https://site-1227526.mozfiles.com/files/1227526/magic_wart_cream_cost.pdfIn PDF document text
    • https://cdn.sqhk.co/jalizovi/0Jihrjh/linda_brown_interactive_story_game_free_download.pdfIn PDF document text
    • https://site-1167927.mozfiles.com/files/1167927/finebigimofikifi.pdfIn PDF document text
    • https://cdn.sqhk.co/moturira/aifIje3/xikaweweverenunize.pdfIn PDF document text

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