Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7af5f110c849219…

MALICIOUS

PDF

64.5 KB Authoring application: QPDF
MD5: 2dc61bf7746243694ddd937c76b2a4d6 SHA-1: 652aa8004cab84ebccacf24401da7d4375ef74f8 SHA-256: b7af5f110c84921919b94031483d2e27f852e5e58c442945598914064727ba21
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm or redirection scheme. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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://www.lesforgesmetalomax.com/uploads/1/3/0/5/130544754/6cd7f0d746f.pdf
    • http://raechild.org/uploads/1/3/0/5/130589083/eb9cb.pdf
    • http://laurawanamakerdoulas.com/uploads/1/3/0/6/130605071/7236283.pdf
    • http://bungareelabradoodlepups.com/uploads/1/3/0/2/130289797/7004726.pdf
    • http://theultimatecruiser.com/uploads/1/3/0/2/130289480/acea23a284.pdf
    • http://gymjohnny.com/uploads/1/3/0/5/130590308/e1b4e77897ae.pdf
    • http://copewithcancer.net/uploads/1/3/0/5/130540767/junufo.pdf
    • http://ahoconline.com/uploads/1/3/0/5/130542852/matesukirivizexi.pdf
    • http://chelseaanderic.com/uploads/1/3/0/8/130813855/nuweravezu.pdf
    • http://mx.decadesaudio.com/uploads/1/3/0/6/130620653/b523d4539a380.pdf
    • http://maydaypress.net/uploads/1/3/0/5/130588343/6bb3586.pdf
    • http://abramsflooring.com/uploads/1/3/0/5/130539009/dazeko.pdf
    • http://advertisingarchives.net/uploads/1/3/0/3/130379431/xarazadodedulid.pdf
    • http://torontogreekdj.com/uploads/1/3/0/6/130604144/1384649.pdf
    • http://mindfulnesslab.centre4innovation.org/uploads/1/3/0/5/130590689/legomi.pdf
    • http://compassionatelivingcourse.com/uploads/1/3/0/3/130379142/gesumulavovok.pdf
    • http://sansouciart.com/uploads/1/3/0/6/130604213/vepevozafujopate.pdf
    • http://tillercap.com/uploads/1/3/0/3/130379561/luremizipit-bajubawokexuw-muvado-xujejuxunoso.pdf
    • http://74-123-78-111.mgwnet.com/uploads/1/3/0/5/130542935/130542935.html#find+a+particular+solution+to+the+nonhomogeneous+differential+equation+y%E2%80%B2%E2%80%B2%E2%88%924y%E2%80%B2+4y%3De2x

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001ba0.bin
2980bbfabfaa5656448fd4fdbaf283edb84d9acc38d67ffd8ce109ba877eee1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BA0 8516 bytes

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