Malicious PDF — malware analysis report

Static analysis result for SHA-256 c88eda642e4dc1b9…

MALICIOUS

PDF

35.1 KB Authoring application: LibreOffice Draw
MD5: f1ce3c8262f266a9f27344d99b62a07b SHA-1: 980f6bdbd639d0d830adebccb48838146f31f288 SHA-256: c88eda642e4dc1b911d405fc445aea9ffce6b069233a1837e0e4bc711f045414
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF contains a large number of embedded external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a phishing campaign designed to direct users to malicious content. The ClamAV detection and ML classifier further support the malicious nature of this file. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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
  • 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://controlmyselfpledge.com/uploads/1/3/0/4/130483271/vesadixanegaguweru.pdf
    • http://merlene.ca/uploads/1/3/0/3/130324065/boxozabomufonek.pdf
    • http://mrshawkinsclass.com/uploads/1/3/0/5/130588149/jagexobezekoput.pdf
    • http://michaelparlato.com/uploads/1/3/0/7/130739664/372cae033a.pdf
    • http://www.americanmartyrsfamiliesinfaith.com/uploads/1/3/0/5/130551756/2709672.pdf
    • http://oceannotions.com/uploads/1/3/0/4/130483445/92c94cf65.pdf
    • http://aclarkphotography.com/uploads/1/3/0/2/130291531/vifajatim.pdf
    • http://nubiangoatskentucky.com/uploads/1/3/0/6/130621545/dcc4010eb.pdf
    • http://5k2own.com/uploads/1/3/0/7/130739747/489f7ef7413bd.pdf
    • http://marvinscontracting.com/uploads/1/3/0/6/130604651/3b85286.pdf
    • http://dolartodayhoy.com/uploads/1/3/0/5/130588670/1968c67f4cbe643.pdf
    • http://whitebeamphotography.co.uk/uploads/1/3/0/5/130547275/depil.pdf
    • http://agapemedped.com/uploads/1/3/0/6/130621657/wejesepetivej.pdf
    • http://oojoandbink.com/uploads/1/3/0/4/130483341/mobavezalexed.pdf
    • http://pathaley.com/uploads/1/3/0/6/130603965/xuwolewetaf.pdf
    • http://daphneself.com/uploads/1/3/0/6/130621425/9f023ec766446fc.pdf
    • http://buy-ritehomes.com/uploads/1/3/0/4/130489131/pisepasikovo.pdf
    • http://divergencecorp.com/uploads/1/3/0/4/130436127/4579445.pdf
    • http://retrovideogamez.com/uploads/1/3/0/2/130271150/tosego_tedular.pdf
    • http://connectmypast.com/uploads/1/3/0/5/130544191/2516b6c9b90.pdf
    • http://mrlob9000.net/uploads/1/3/0/6/130620956/06cede731.pdf
    • http://chocolatel.com/uploads/1/3/0/2/130273582/7391401.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/5/130590541/130590541.html#3+bed+house+designs+uk

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002940.bin
f129f10c669ffb0b306ed9341e9f84368f7b4adce9fdb7248cadef692cc7d49e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2940 7396 bytes

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