Malicious PDF — malware analysis report

Static analysis result for SHA-256 a79d160d7c531401…

MALICIOUS

PDF

43.4 KB Authoring application: LibreOffice Draw
MD5: 05c6b04e53b8b6f55e00d0807ecba1e1 SHA-1: 3525d5a554fb566a5a92f114409cd4955aaef613 SHA-256: a79d160d7c5314019625434078d966dae0b42de86fc6110dcc006fd673a8efe6
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of embedded links to external PDF documents, a technique commonly used for SEO poisoning or phishing campaigns. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are likely part of a link farm designed to direct users to malicious content or further phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://newcreditfirstnation.com/uploads/1/3/0/5/130588913/3238055.pdf
    • http://asiamitchelltabb.com/uploads/1/3/0/5/130550981/katux.pdf
    • http://besodelsoltan.com/uploads/1/3/0/5/130551836/1213383.pdf
    • http://imaginaryrats.com/uploads/1/3/0/2/130291463/debopexuvuzapuve.pdf
    • http://omundoeolimite.com/uploads/1/3/0/3/130313249/batonetepow-zeviwatuxupax.pdf
    • http://josienotjose.com/uploads/1/3/0/5/130550827/ac49000fcecb21.pdf
    • http://bealegacybuilder.com/uploads/1/3/0/6/130605443/9477326.pdf
    • http://growing8.weebly.com/uploads/1/3/0/6/130639331/demonotopi.pdf
    • http://szetel.net/uploads/1/3/0/6/130620519/5249773.pdf
    • http://christianambulancenetwork.com/uploads/1/3/0/6/130605447/3066153.pdf
    • http://africanubuntusafaris.com/uploads/1/3/0/4/130476850/130476850.html#text+flicker+effect+premiere+pro

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001271.bin
b3760c7e8d81b4553aa6faba89e818271a51d24c76f40e2a875585957b60525f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1271 8784 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.