Malicious PDF — malware analysis report

Static analysis result for SHA-256 47b043e7150dbb17…

MALICIOUS

PDF

49.1 KB Authoring application: Scribus
MD5: b1998dd6b6d52b7c64e348f1df4ee8ed SHA-1: 297c9a7079f1713a8b03768a9a63d9934be7dcee SHA-256: 47b043e7150dbb17d431f5e081ae9814cbca68aa1482f1eec27f8487febd8b06
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body text, though heavily obfuscated, contains references to PDF conversion tools, potentially serving as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://rrrtag.com/uploads/1/3/0/5/130551126/nemorodur-foromovolevetil-wizowawejasa.pdf
    • http://noellenadeau.com/uploads/1/3/0/7/130776241/6321380.pdf
    • http://tracevilab.com/uploads/1/3/0/2/130270951/afec8fae861f9.pdf
    • http://julianlieberman.com/uploads/1/3/0/4/130490338/5248219.pdf
    • http://icsconsulting.net/uploads/1/3/0/5/130550731/987f7781f8d41.pdf
    • http://thepathofservice.org/uploads/1/3/0/5/130547846/7340881.pdf
    • http://alporusi.fi/uploads/1/3/0/5/130550936/6918572.pdf
    • http://poetmotorcycles.com/uploads/1/3/0/3/130323298/545642.pdf
    • http://ligueusa.net/uploads/1/3/0/5/130589031/takuruni.pdf
    • http://artofamandaheard.com/uploads/1/3/0/4/130436343/1826a504297.pdf
    • http://olympicdiscoverytrail.net/uploads/1/3/0/6/130603834/fb11f905ad8.pdf
    • http://novelistsandrahall.com/uploads/1/3/0/2/130291365/9180949.pdf
    • http://peerlesselegance.shop/uploads/1/3/0/5/130539265/basutikukin.pdf
    • http://sidemountainspecialtyfoods.com/uploads/1/3/0/6/130604820/9d24edc1d1.pdf
    • http://roanepublishing.com/uploads/1/3/0/3/130312925/7319115.pdf
    • http://swainsgarage.co.uk/uploads/1/3/0/5/130588727/1789391.pdf
    • http://inglesaldia.com/uploads/1/3/0/6/130620794/magimadinevavila.pdf
    • http://catahoulacamps.com/uploads/1/3/0/5/130539849/db777d019b.pdf
    • http://adaptable.com.au/uploads/1/3/0/5/130551564/db63c3a1f8.pdf
    • http://mail.manfredocamperio.com/uploads/1/3/0/6/130620964/1615569.pdf
    • http://greshambankruptcyattorney.com/uploads/1/3/0/7/130775935/guvid.pdf
    • http://www.blindforce.com.au/uploads/1/3/0/3/130313422/1571455.pdf
    • http://yinghuangguojiyulehuisuotu.br3h.com/uploads/1/3/0/3/130323520/130323520.html#convert+pdf+to+dwg+free+download+online

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004813.bin
a68ad206e6fa00de9a93bcd426264e2a948f22db9431d90be7110a1ae082cbf6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4813 16076 bytes
font_01_sfnt_off00005f7c.bin
0258cb0ba22d67717b4c87d1d74fef0ef30e8798be6e6eea9470afcaffa5a8f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7C 7872 bytes

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