Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2c5881950fcacdc…

MALICIOUS

PDF

87.3 KB Created: 2021-03-18 13:51:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7403282ea0935a05ba6c6a47b31fb6ed SHA-1: 769f4735498300807d34b3e1642e53b61bf1c52a SHA-256: e2c5881950fcacdc03c423f75ff7f0be8685ed521db425bff52e2270b0ed8cbf
94 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6761

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://botokaw.ru/award?keyword=beginner+english+short+stories+pdf PDF link annotation
    • http://shoop-fr.ru/vixotokoxefotiwelusevug1qnz9.pdfIn PDF document text
    • http://ygrash.website/78286462610wac68.pdfIn PDF document text
    • https://dananiruw.weebly.com/uploads/1/3/2/7/132741593/vapafekudapowogarim.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411691/normal_5ff5b5f84ce13.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477649/normal_604f40382fd22.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378404/normal_5ffe1fb733193.pdfIn PDF document text
    • http://24goodstore.site/19280229149h0lvx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450724/normal_6003174107958.pdfIn PDF document text
    • https://zosagobe.weebly.com/uploads/1/3/1/3/131380163/acd658.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379718/normal_5fee15c5e8bfd.pdfIn PDF document text
    • http://my-favshopc.online/masabutegekowubob1lfw.pdfIn PDF document text
    • https://samovibemajus.weebly.com/uploads/1/3/4/5/134597991/wafopuzoxiju_botodexuwutez_xawekekesob.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/mejobu/apache_kafka_book_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gifiz/basic_calculus_tutorial.pdfIn PDF document text
    • https://s3.amazonaws.com/waxegatulo/33607015258.pdfIn PDF document text
    • https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_11b5534a6b54425da0f260f16819fffb.pdf?index=trueIn PDF document text
    • https://3a5aa097-47f9-475f-9992-83bceef25cc3.filesusr.com/ugd/f55bec_32751458820c43c081096a1e6fc2df89.pdf?index=trueIn PDF document text
    • https://b9a4c3d6-4ccf-4d04-9b0f-c2e9c357e15d.filesusr.com/ugd/e5cbe5_dee33e05260c4f5a9094292da10d14c2.pdf?index=trueIn PDF document text
    • https://76f5a3e5-08d8-4581-9975-6c1b933a1845.filesusr.com/ugd/dbbd16_ca836754f7c4441094b779adde467cbd.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jotizifime/what_air_fuel_ratio_at_idle.pdfIn PDF document text
    • https://5e1449e8-5ae4-4a15-bc7a-ee23795bc964.filesusr.com/ugd/3a34a5_e0a4916e7bf74ef1af80c77acf279c94.pdf?index=trueIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011cbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CBB 5144 bytes
SHA-256: 1096a48837c5d51266989fb8746aa6185e9bd55f9c82dd006334630c5c5efadc
font_01_sfnt_off00012e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E3C 10952 bytes
SHA-256: e2bbc34d61ed7d8a1e1ddae062e613325f535c14b4b5e3b7676057069e677740