Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3f590a94a93c0f9…

MALICIOUS

PDF

52.9 KB Authoring application: ImageMagick
MD5: 3fb26784a2e0f5cb8dcb757bd261f86b SHA-1: 36d793da5f9c0a116da4769352285ebb085405a8 SHA-256: e3f590a94a93c0f90a1ac3595eb69404c041f1922871fbf192d04ce918399951
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in phishing campaigns to redirect users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The embedded URLs are the primary indicators of compromise, suggesting a coordinated effort to distribute malicious content.

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://neurohorizonpharma.com/uploads/1/3/0/7/130740117/c443d753e3.pdf
    • http://rolandandcaroline.com/uploads/1/3/0/3/130379123/1840937.pdf
    • http://stavangerfitness.com/uploads/1/3/0/5/130588430/kazudofimim-vuxulonalo.pdf
    • http://madewithlovebydanielle.com/uploads/1/3/0/5/130589261/e562f.pdf
    • http://musetech.site/uploads/1/3/0/6/130639892/nesikefoje_mewixefiri_ziwitogakaw_juxanexidene.pdf
    • http://nerieconst.com/uploads/1/3/0/5/130590672/6233858.pdf
    • http://narimi.nillastuart.com/uploads/2020/01/28/babcef19.pdf
    • http://mishadumois.com/uploads/1/3/0/2/130273993/3113082.pdf
    • http://policetrailer.com/uploads/1/3/0/7/130776533/130776533.html#kalnirnay+gujarati+calendar+august+2019

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f0.bin
11edd6cd7663b67c677b53b5c698634864922ebc5e240eb5b8afb1c4b57c107a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F0 8668 bytes
font_01_sfnt_off00007129.bin
973bcab3d23ee9dc88f7cced0591741d18e90d4236fa38334e5c7e732148b1d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7129 8852 bytes
font_02_sfnt_off00008877.bin
0c7b4fec1927f41d985d3ddf25b538e5322e5af6911cbaf9e5b81f62bca4df71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8877 16168 bytes

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