Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca7aa0e12165147b…

MALICIOUS

PDF

33.2 KB Authoring application: Inkscape
MD5: 1fb5a21813f46a4082bdfb79c2ec3239 SHA-1: 48b900c311153c0b19cadadf68b21100b2f6d8ae SHA-256: ca7aa0e12165147b7053a0091f89abcb79af06bdc319fa25fd34bcbaa25cdf6d
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDFs, a technique commonly used for SEO poisoning to drive traffic to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The document body, though truncated, mentions 'seizure precautions in school setting', suggesting a lure to entice users to click on the embedded links.

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://adoptaloscabos.com/uploads/1/3/0/4/130483912/semave.pdf
    • http://forthepits.com/uploads/1/3/0/5/130589285/378258.pdf
    • http://spokanehomefuneral.com/uploads/1/3/0/7/130775880/safenibepoxij.pdf
    • http://www.getoilywithdane.com/uploads/1/3/0/5/130590229/b5983cf91be.pdf
    • http://mta-sts.kileyfasano.com/uploads/1/3/0/6/130639062/bivugomilu.pdf
    • http://multifaithstorytelling.org/uploads/1/3/0/2/130270900/2e8d21a490.pdf
    • http://jodiannrussell.info/uploads/1/3/0/2/130272428/f55c3.pdf
    • http://hostmaster.firstgeneva.ch/uploads/1/3/0/7/130775078/6c19136eb1.pdf
    • http://octopustheatricals.org/uploads/1/3/0/7/130776023/6471099.pdf
    • http://tructable.com/uploads/1/3/0/2/130271102/kotovik.pdf
    • http://caprocktrading.com/uploads/1/3/0/7/130739544/5035742.pdf
    • http://1iea.brdge.org/uploads/1/3/0/7/130775920/130775920.html#seizure+precautions+in+school+setting

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002be7.bin
93b526c94bfd5a73de0fe40d6cf5960cfb23b78a014e9929193dc0e4db4d2821
pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE7 7448 bytes