Malicious PDF — malware analysis report

Static analysis result for SHA-256 f84b08539ac00ca9…

MALICIOUS

PDF

242.4 KB Authoring application: OpenOffice.org First seen: 2020-09-24
MD5: 7353020dd3def096fe1c5749c90fb39a SHA-1: 09885c4b9bb0927f93a6b3ad47bb9587a5da01da SHA-256: f84b08539ac00ca94aab2c5611e87f912e56ed8ed3ba3d011f6ae676e69a0251
114 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.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9605

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
    A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
  • 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 PDF link annotation
    • http://speechtherapynorcal.com/uploads/1/3/0/2/130272319/00ea8f98bd75ad0.pdfIn PDF document text
    • http://craftyladycrushingcancer.com/uploads/1/3/0/5/130590608/3f985b6eee63ae.pdfIn PDF document text
    • http://lozu.remont-info.com/uploads/2020/01/28/nuragivuletem.pdfIn PDF document text
    • http://nothinglikeadame.net/uploads/1/3/0/7/130739201/jezakivarukizisanogu.pdfIn PDF document text
    • http://newburyparkacupuncture.com/uploads/1/3/0/5/130542991/takamujos-kefutesa-resezew.pdfIn PDF document text
    • http://mt-akademie.com/uploads/1/3/0/5/130539702/pawepuvokufa_gapuju_lopadelalopew_gejudok.pdfIn PDF document text
    • https://bixagisofumon.weebly.com/uploads/1/3/0/4/130483990/9ab5b8eed.pdfIn PDF document text
    • http://rachkonline.com/uploads/1/3/0/5/130550833/bubuj.pdfIn PDF document text
    • http://kipuk.omsk-aviabilet.ru/uploads/2020/01/29/nufuzunovax.pdfIn PDF document text
    • http://djlion.me/uploads/1/3/0/6/130639051/4191169.pdfIn PDF document text
    • http://cfthomas.com/uploads/1/3/0/5/130589085/130589085.html#don%27+t+starve+together+updateIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000166b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x166B 9680 bytes
SHA-256: 7e78c5f94488e9b8c9a4332c8d807afe64e0a267e3773904bda71876f9956196

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