Malicious PDF — malware analysis report

Static analysis result for SHA-256 26cc856cfaabf4ac…

MALICIOUS

PDF

44.7 KB Authoring application: Serif PagePlus
MD5: 26870cc253a574fc82e8ad8ffd987c4d SHA-1: e6000e5360c68e99b853e438eee25a444e79dcbf SHA-256: 26cc856cfaabf4ac5d1216e1438f9eb8a834781d8812e30625016ae4d19c2f41
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files hosted on various domains, indicating a link farm or distribution mechanism. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly suggest malicious intent, likely related to phishing or traffic redirection. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://www.justmakemehappy.co.uk/uploads/1/3/0/5/130540208/2991332.pdf
    • http://www.justinllovesjunk.com/uploads/1/3/0/3/130313212/xuxisagomuxufanetuf.pdf
    • http://tradingpinshub.com/uploads/1/3/0/3/130313166/lanuvurer.pdf
    • http://myreflectar.com/uploads/1/3/0/6/130604658/nenifeg_jagufelawobaw_wuvonabijifi.pdf
    • http://www.omgcatburrito.com/uploads/1/3/0/4/130435966/128609eade0.pdf
    • http://olympicdiscoverytrail.net/uploads/1/3/0/6/130603834/fb11f905ad8.pdf
    • http://drunkmonkey.ca/uploads/1/3/0/7/130775744/mejenojobetidozigo.pdf
    • http://www.nauramusic.com/uploads/1/3/0/6/130605253/5187624.pdf
    • http://midland-fox.com/uploads/1/3/0/5/130588923/b644e691af3c010.pdf
    • http://hucklebean.com/uploads/1/3/0/5/130589218/f0afcc41dd1a2.pdf
    • http://nashbw.info/uploads/1/3/0/6/130640049/resif_lubikovaka.pdf
    • http://blackbeardeervalley.com/uploads/1/3/0/7/130739680/5852230.pdf
    • http://coloradomountainelopement.com/uploads/1/3/0/7/130739883/9650181.pdf
    • http://www.yourvirtualta.com/uploads/1/3/0/5/130550833/pixevorofaki.pdf
    • http://26and2.club/uploads/1/3/0/4/130483737/fadazik.pdf
    • http://crapcocktailclub.com/uploads/1/3/0/5/130589101/kogalunoruke.pdf
    • http://aromascrips.com/uploads/1/3/0/5/130543158/227b29f61c53074.pdf
    • http://www.lisbethomeandstyle.com/uploads/1/3/0/4/130483512/6516615.pdf
    • http://inspireddesignshandmadegifts.com/uploads/1/3/0/3/130379798/sadefoxiganenug_botatise_texuraroti_pokasu.pdf
    • http://floridaforeclosuredefenselawyers.com/uploads/1/3/0/3/130313191/e19be12454d6.pdf
    • http://ahfire.com/uploads/1/3/0/5/130588515/7604771.pdf
    • http://mail.urlaub-ausseerland.at/uploads/1/3/0/8/130874219/jufapixefigusewona.pdf
    • http://ashleyjuliacreative.com/uploads/1/3/0/8/130873794/29de5.pdf
    • http://wilmingtonladiesteawalk.org/uploads/1/3/0/5/130542948/130542948.html#acetal+or+hemiacetal+carbon

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e33.bin
4d9ec2aec8f1ca6bebe1b56492fd55a77bba3a6e98efb76508c1b835d4eb9912
pdf-font-stream PDF embedded font (sfnt) at offset 0x3E33 2860 bytes
font_01_sfnt_off00004ae5.bin
9a7611c4c310accd68f74d9b441b76342d22266a17cd2bdb742e1f2c58a89930
pdf-font-stream PDF embedded font (sfnt) at offset 0x4AE5 8320 bytes