Malicious PDF — malware analysis report

Static analysis result for SHA-256 606ab015dee26d3b…

MALICIOUS

PDF

167.6 KB Created: 2021-03-17 16:59:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9dd668d1876c2bd6b144d66593223e38 SHA-1: 218956e800377dad7a3bc9f29b94b56c36045289 SHA-256: 606ab015dee26d3bb28e4570b77a2d817e10918163a41657ba0cb05c17494255
94 Risk Score

Malware Insights

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

The file is a PDF containing an embedded URI that redirects to a URL associated with downloading a game rulebook, likely as a lure. ClamAV and ML classifiers flagged this PDF as malicious, indicating a phishing or trojan distribution attempt. No scripts were extracted, but the presence of external URIs suggests the PDF is designed to lead the user to a malicious download or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9532

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/wb?keyword=cyberpunk%20red%20core%20rulebook%20pdf%20anyflip
    • https://dunudafulu.weebly.com/uploads/1/3/1/0/131071166/lazisisobogo.pdf
    • https://lerekisisag.weebly.com/uploads/1/3/1/4/131408666/govap_gisalup_laxipevegatajum.pdf
    • https://nabudurokaralek.weebly.com/uploads/1/3/4/5/134576841/78482e1a003b7.pdf
    • https://cdn.sqhk.co/pevizopubok/gGiaJid/dusuwenexadoju.pdf
    • http://pipazodonuwadu.iblogger.org/kesupepeb.pdf
    • https://ganafotereko.weebly.com/uploads/1/3/1/1/131164127/dutos.pdf
    • https://zokilare.weebly.com/uploads/1/3/4/7/134767859/fefomobeme.pdf
    • https://cdn.sqhk.co/xawefigi/ieRjclC/instant_center_drag_racing.pdf
    • https://kijomexed.weebly.com/uploads/1/3/1/0/131069838/venefelekaleluzekov.pdf
    • https://jawetixadal.weebly.com/uploads/1/3/1/6/131606755/1446211.pdf
    • https://sulewonabesonu.weebly.com/uploads/1/3/2/6/132682327/f40e17b666ac.pdf
    • https://cdn.sqhk.co/teketerep/dghgchc/julovirawak.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/pirofopafu/60838724807.pdf
    • https://uploads.strikinglycdn.com/files/f371bbb4-35e2-49a1-8121-6b8c79f87cae/56412075640.pdf
    • http://fegarezitima.rf.gd/6th_standard_english_guide.pdf
    • https://s3.amazonaws.com/webipejonavuv/pilidu.pdf
    • https://uploads.strikinglycdn.com/files/0b1cbcc6-b6de-4c9a-9e7e-28939b98f563/present_simple_exercises_worksheet.pdf
    • https://uploads.strikinglycdn.com/files/2813fb75-c51f-4a2e-a37e-bc118f132301/91944767189.pdf
    • https://uploads.strikinglycdn.com/files/3fb25d63-c2ed-4786-a6fb-51a50c41c22d/importance_of_energy_efficiency_in_everyday_life.pdf
    • https://s3.amazonaws.com/lopeteb/xepidi.pdf
    • http://vezedusevu.rf.gd/how_to_change_your_address_on_your_health_card_in_ontario.pdf
    • https://s3.amazonaws.com/sinadi/who_moved_my_cheese_quotes_meaning.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00028ec4.bin
31fda22ae77a01f656b689e12bf8053671f6bd92db4b09341211183835d0c6c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28EC4 5180 bytes

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