Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0eadcdcd15c5375…

MALICIOUS

PDF

65.4 KB Created: 2021-02-20 19:42:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 9b9e2d22b8ffbdfe81addc070d8921ee SHA-1: 47b766901934c95694f219626c2d85a627c4c7cf SHA-256: b0eadcdcd15c5375db5236b86dc58ca240208c2f6a4d12bd0fc61b2ffdf81401
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, many of which are obfuscated or lead to potentially malicious domains, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_URI' heuristics. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. The presence of embedded URLs and the overall structure suggest an attempt to redirect users to phishing or malware distribution sites, likely disguised as search results or downloadable content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8307

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 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.
  • 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://jottigo.ru/strik?utm_term=are+bluetick+coonhounds+good+pets PDF link annotation
    • https://cdn.sqhk.co/furigelo/KpOgggd/66104948007.pdfIn PDF document text
    • https://cdn.sqhk.co/wezupobuwab/gPyhDjg/peacemaker_full_movie_online.pdfIn PDF document text
    • http://goloszauniver.fun/rsat_tools_windows_10_1903nh9vb.pdfIn PDF document text
    • https://cdn.sqhk.co/dubikureta/hMDQ2gg/chef_girl_craze_food_cooking_restaurant_games_download.pdfIn PDF document text
    • https://cdn.sqhk.co/zevukodixu/pfhc8ib/download_map_skyblock_mcpe_1._12.pdfIn PDF document text
    • http://ru-payment.casa/58373555738zvbxl.pdfIn PDF document text
    • https://cdn.sqhk.co/divojimo/X8hdghf/skin_tools_pro_download.pdfIn PDF document text
    • http://tryraisins.pro/problem_solving_worksheets_5th_gradeu781y.pdfIn PDF document text
    • https://cdn.sqhk.co/fapiwejagiz/cgcgdge/keninazudemitube.pdfIn PDF document text
    • https://girakojazesu.weebly.com/uploads/1/3/4/6/134675992/5644832.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wowonesoribu/31587889865.pdfIn PDF document text
    • http://taleweja.epizy.com/bollywood_movies_hd_side.pdfIn PDF document text
    • https://s3.amazonaws.com/fasudikek/ps2_emu_on_android.pdfIn PDF document text
    • https://s3.amazonaws.com/runuzitexokol/17161832152.pdfIn PDF document text
    • https://s3.amazonaws.com/migivewuwe/anemia_falciforme_alteracion_genetica.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_off0000e20b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE20B 5320 bytes
SHA-256: d97be60dadd19f88187a68e2b96e77872c63205313faa185897db04f48613bf6

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