Malicious PDF — malware analysis report

Static analysis result for SHA-256 1edc49be7b0bfb1d…

MALICIOUS

PDF

96.0 KB Created: 2021-05-14 14:01:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 6a7ceca3326249bf6e78f94a90736f0d SHA-1: 664ee2736d71081f3d974fcdba4443aa6f3157fd SHA-256: 1edc49be7b0bfb1d844a7148a13c35bb361ce63467b68c42acd0f1e661016aba
124 Risk Score

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 0.6309

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://zajinet.ru/strik?utm_term=why+is+leadership+an+art PDF link annotation
    • http://vekisonoloze.sportsontheweb.net/junior_basketball_court_dimensions_in_meters.pdfIn PDF document text
    • https://ligefunodimab.weebly.com/uploads/1/3/1/3/131398292/8403858.pdfIn PDF document text
    • http://takodevizol.iblogger.org/adventures_of_huckleberry_finn_original.pdfIn PDF document text
    • https://zawasofolebu.weebly.com/uploads/1/3/4/9/134902788/relovirujedegu-zagozezezeji-buvavuwilegaxe.pdfIn PDF document text
    • http://sethel.xyz/motorcycle_for_sale_near_me_under_1000_dollarsl6fr6.pdfIn PDF document text
    • http://xekokikimelaf.iblogger.org/sri_kshetra_adichunchanagiri_kannada_movie_songs.pdfIn PDF document text
    • https://wujibinofowe.weebly.com/uploads/1/3/1/3/131383737/16269f3f697.pdfIn PDF document text
    • https://kazusabetife.weebly.com/uploads/1/3/5/3/135318045/misimovugedulu-jopitejifofip-votapujopuk.pdfIn PDF document text
    • https://xififaxapid.weebly.com/uploads/1/3/4/3/134344339/1716336.pdfIn PDF document text
    • http://bhd-management.space/reporting_cronbach_s_alpha_in_tablenn6a9.pdfIn PDF document text
    • http://chtotakoeverti.biz/11595812930c9p8p.pdfIn PDF document text
    • https://difomojixi.weebly.com/uploads/1/3/4/3/134319012/123c17.pdfIn PDF document text
    • https://sajozigita.weebly.com/uploads/1/3/0/8/130814351/5046307.pdfIn PDF document text
    • http://silujokiz.mypressonline.com/10_class_biology_text_book.pdfIn PDF document text
    • https://pivozedotafi.weebly.com/uploads/1/3/1/0/131070355/5403115.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://molujafit.atwebpages.com/86591116134.pdfIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/gumotemomanigo.pdfIn PDF document text
    • http://siduxosezuk.rf.gd/79702718737.pdfIn PDF document text
    • https://s3.amazonaws.com/firigugixujotov/simevudekafawufekemimo.pdfIn PDF document text
    • https://s3.amazonaws.com/dalava/xovexarizabepirivugegu.pdfIn PDF document text
    • http://kefelogo.epizy.com/whats_the_best_carpet_cleaner_machine_to_rent.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/46164310033.pdfIn PDF document text
    • https://s3.amazonaws.com/sisaxu/83077378849.pdfIn PDF document text
    • http://duziroro.myartsonline.com/48114865363.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_off00015f8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15F8E 5164 bytes
SHA-256: 8de4bd6f1a77b616d10d1d30b80adf3fd85205c2b0a64e775491754389bb10d7

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