Malicious PDF — malware analysis report

Static analysis result for SHA-256 f101c179a919a4ee…

MALICIOUS

PDF

37.8 KB Authoring application: Serif PagePlus
MD5: e8d8af51c66f0f5e9c0a8783a8b5edb0 SHA-1: 1cf1903d0ab45fea557df7ff1e7a6ca365ef10eb SHA-256: f101c179a919a4ee38480ffc3a1d3221d8d8c50a7acbbc9330e934f6cc781090
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, pointing to external PDF files. This suggests a link farm or redirection mechanism, likely for SEO spam or to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.

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://ignomics.net/uploads/1/3/0/8/130815137/kefoxamumutoz-fuwedijad.pdf
    • http://peterhaas.net/uploads/1/3/0/5/130547689/b94be0560fc14d3.pdf
    • http://proletas.com/uploads/1/3/0/7/130739500/nogitutag.pdf
    • http://imaginehealthlab.net/uploads/1/3/0/2/130272585/zojuxopuxajexol-najukixuxajure-nojano-bukanemowube.pdf
    • http://mrvsteaks.com/uploads/1/3/0/6/130621626/08cbae07b19df.pdf
    • http://alaskashrimpbait.com/uploads/1/3/0/3/130313208/losagopo_liwivoresakexuk_xukuvegida_bifizor.pdf
    • http://health-and-life-awareness.org/uploads/1/3/0/6/130639456/679975cc.pdf
    • http://art2artexhibitions.com/uploads/1/3/0/6/130620979/jowizilov.pdf
    • http://corningpublictheater.org/uploads/1/3/0/4/130483070/67be758cc1f30.pdf
    • http://nextgenadvancedsupplements.com/uploads/1/3/0/7/130776760/0d328ca972.pdf
    • http://holypost.us/uploads/1/3/0/4/130435641/fufiziruf-mimuf-kabup.pdf
    • http://dedesrepus.com/uploads/1/3/0/6/130620612/7708352.pdf
    • http://www.eversatms.com/uploads/1/3/0/6/130604685/5000460.pdf
    • http://lostworldsshop.com/uploads/1/3/0/3/130323488/warupuker_tobil_lonidemila_jisepanid.pdf
    • http://elispinheirobellydance.com/uploads/1/3/0/2/130274269/4031351.pdf
    • http://racelandcr.com/uploads/1/3/0/2/130288729/9482981.pdf
    • http://mountbarkerstrathcatholic.com/uploads/1/3/0/2/130287493/jetedo.pdf
    • http://peanutgalleryphotography14.com/uploads/1/3/0/9/130969012/130969012.html#action+verbs+for+research+objectives

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036fa.bin
340ca4ac4a46d515a79d2f33ce8d93e8a1129c2d2daa94cb6741b255534655f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36FA 7840 bytes

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