Malicious PDF — malware analysis report

Static analysis result for SHA-256 f28610e2b57ae3b1…

MALICIOUS

PDF

39.1 KB Authoring application: QPDF
MD5: 0e077bfa18c84fd591208bc40955eea6 SHA-1: b583f34fb73240a25851a29ecca4098deafd1b75 SHA-256: f28610e2b57ae3b1864dea6ffb8f18f156714f87726cde72378b24b2d00d124e
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, as detected by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall, indicating a phishing or traffic redirection purpose. The embedded URLs likely lead to further malicious content or phishing sites.

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://dcsunway.com/uploads/1/3/0/2/130287847/dosoxi.pdf
    • http://messengerflights.com/uploads/1/3/0/4/130488584/6c5d4f8.pdf
    • http://www.waterstone-wellness.com/uploads/1/3/0/5/130589228/44278c4a6ea.pdf
    • http://maydaypress.net/uploads/1/3/0/7/130739459/1869820.pdf
    • http://aestheticsplus.co/uploads/1/3/0/7/130775446/zibulonalekode.pdf
    • http://mymorethan.com/uploads/1/3/0/4/130435893/5587706.pdf
    • http://patriothomeconstruction.trustabiz.com/uploads/1/3/0/7/130776315/fobafase-sisakul.pdf
    • http://michiganintimatewedding.com/uploads/1/3/0/7/130739087/wixomafivewavepew.pdf
    • http://mitamasushi.com/uploads/1/3/0/7/130740589/2140187.pdf
    • http://highlandsathiddenhills.com/uploads/1/3/0/7/130775741/notikefakome.pdf
    • http://rhfibers.com/uploads/1/3/0/6/130639781/pogitop.pdf
    • http://andrewflemingmedia.com/uploads/1/3/0/2/130288379/pazonimipa.pdf
    • http://www.themainsourcemedia.com/uploads/1/3/0/9/130969129/pejero.pdf
    • http://55florida.com/uploads/1/3/0/4/130488542/zosilolirupowife.pdf
    • http://frugalinflannel.com/uploads/1/3/0/5/130589121/vunuzezewok.pdf
    • http://westernmasssti.com/uploads/1/3/0/6/130620863/a9d177d812ae7ea.pdf
    • http://caribbeanislanddreamhome.com/uploads/1/3/0/6/130621072/4895661.pdf
    • http://noosalittlecove.com/uploads/1/3/0/7/130739699/ranofoxes-tozamov.pdf
    • http://charlottemulcare.co.uk/uploads/1/3/0/5/130551187/130551187.html#frax+calculator+philippines
    • http://mitamasushi.com/uploads

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003834.bin
4c2b3973acf6e2c0bc6aec0ea967d4c60c9765ae69ad294454c2d30ede140924		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3834 9620 bytes

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