Malicious PDF — malware analysis report

Static analysis result for SHA-256 f84b08539ac00ca9…

MALICIOUS

PDF

242.4 KB Authoring application: OpenOffice.org
MD5: 7353020dd3def096fe1c5749c90fb39a SHA-1: 09885c4b9bb0927f93a6b3ad47bb9587a5da01da SHA-256: f84b08539ac00ca94aab2c5611e87f912e56ed8ed3ba3d011f6ae676e69a0251
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded JavaScript and multiple external URLs, indicating a phishing or malware distribution attempt. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing campaign. The embedded JavaScript likely facilitates the redirection to malicious sites or the download of further payloads.

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 http://nannymoscow.ru/uploads/1/3/0/5/130540296/fiwidadikigigosadud.pdf
    • http://speechtherapynorcal.com/uploads/1/3/0/2/130272319/00ea8f98bd75ad0.pdf
    • http://craftyladycrushingcancer.com/uploads/1/3/0/5/130590608/3f985b6eee63ae.pdf
    • http://lozu.remont-info.com/uploads/2020/01/28/nuragivuletem.pdf
    • http://nothinglikeadame.net/uploads/1/3/0/7/130739201/jezakivarukizisanogu.pdf
    • http://newburyparkacupuncture.com/uploads/1/3/0/5/130542991/takamujos-kefutesa-resezew.pdf
    • http://mt-akademie.com/uploads/1/3/0/5/130539702/pawepuvokufa_gapuju_lopadelalopew_gejudok.pdf
    • https://bixagisofumon.weebly.com/uploads/1/3/0/4/130483990/9ab5b8eed.pdf
    • http://rachkonline.com/uploads/1/3/0/5/130550833/bubuj.pdf
    • http://kipuk.omsk-aviabilet.ru/uploads/2020/01/29/nufuzunovax.pdf
    • http://djlion.me/uploads/1/3/0/6/130639051/4191169.pdf
    • http://cfthomas.com/uploads/1/3/0/5/130589085/130589085.html#don%27+t+starve+together+update

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000166b.bin
7e78c5f94488e9b8c9a4332c8d807afe64e0a267e3773904bda71876f9956196		 pdf-font-stream PDF embedded font (sfnt) at offset 0x166B 9680 bytes

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