Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b845c6ed0d0e574…

MALICIOUS

PDF

38.2 KB Authoring application: LibreOffice Draw
MD5: 4b71cede99d2391ee6288bda2aabc4f3 SHA-1: 699ca065cb5c8e78fd8bd203ee937256833c5ce6 SHA-256: 1b845c6ed0d0e574880f1c26c0bddc1315dc8ed0a0e3fbeb3911744ec1528886
160 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains a large number of external links, characteristic of SEO poisoning or link farm techniques. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicate that this document is designed to trick users into downloading a password-protected archive, likely containing malicious content. The embedded URLs are part of this lure, directing users to potentially malicious PDF files.

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://kairos-fitness.com/uploads/1/3/0/7/130739980/xadeginax_kubilew.pdf
    • http://londonsalesagency.com/uploads/1/3/0/6/130620511/a40326.pdf
    • http://spavale.com/uploads/1/3/0/7/130775987/jijegitomug-gatojifitojiz-pixafisutad.pdf
    • http://mcgrainz.com/uploads/1/3/0/6/130639396/kagikosuvuda_mabel_gurusikezenalu.pdf
    • http://favefood.heartdishcafe.com/uploads/1/3/0/5/130550832/dulevizodebanoze.pdf
    • http://www.becomeahighlypaidconsultant.com/uploads/1/3/0/7/130776817/tisiruwur-naxejusog.pdf
    • http://letsglowgirl.com/uploads/1/3/0/7/130739539/zudexokar.pdf
    • http://harleesalazarphotography.com/uploads/1/3/0/3/130313427/fikevolobizoruw-najosivosukid-tikepivuveme.pdf
    • http://www.gypsyjunkmichigan.com/uploads/1/3/0/4/130475992/zevowubepalazat-rafagedidej-gidimiw-vafelazikiz.pdf
    • http://britishtitties.com/uploads/1/3/0/3/130324350/19b309013.pdf
    • http://gtrenterprise.com/uploads/1/3/0/6/130622025/394c57f710fda.pdf
    • http://soakupthesolstice.com/uploads/1/3/0/4/130476541/8984946.pdf
    • http://nyspace.org/uploads/1/3/0/6/130620975/2320795.pdf
    • http://www.outofmywritemind.net/uploads/1/3/0/7/130776755/lupuzu.pdf
    • http://stainedpeacock.com/uploads/1/3/0/5/130544584/dopakinexuk.pdf
    • http://mrskramlsclass.com/uploads/1/3/0/7/130775196/7dc23.pdf
    • http://transcendtext.com/uploads/1/3/0/7/130776617/faregigo-nirido.pdf
    • http://mta-sts.mail.eoin-odowd.com/uploads/1/3/0/9/130969300/pisogeratazenet.pdf
    • http://reveil-corporel.com/uploads/1/3/0/7/130740442/lupijinarifab.pdf
    • http://74-123-76-43.mgwnet.com/uploads/1/3/0/4/130488442/130488442.html#bullzip+pdf+printer+license+key

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035a6.bin
dda09870d701757d8a5578a760c2dc2c0b0284522a463427f877ea4f49cffcb8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35A6 8100 bytes

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