Malicious PDF — malware analysis report

Static analysis result for SHA-256 48918598abd0613b…

MALICIOUS

PDF

38.8 KB Authoring application: ImageMagick
MD5: d28a02c50bd459bf95b9d1871a001056 SHA-1: 4cb0a9b8b5a2bf073a2e1221f80af8da6c120a0a SHA-256: 48918598abd0613be583b278da4ca2430500c1cc31c7c942014014214bafb008
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically related to phishing or traffic redirection. The embedded URLs are the primary indicators of compromise, likely serving as lures to malicious content.

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://lsbdacademy.com/uploads/1/3/0/6/130620348/898e9bd1.pdf
    • http://iamthemuseum.com/uploads/1/3/0/5/130540193/46f39d71080.pdf
    • http://manufacturingcommunities.org/uploads/1/3/0/5/130590169/8318449.pdf
    • https://tasosepi.weebly.com/uploads/1/3/0/2/130274279/vitinenelevagu.pdf
    • https://budawofapufu.weebly.com/uploads/1/3/0/4/130483773/1875709.pdf
    • https://tanokewu.weebly.com/uploads/1/3/0/3/130323542/wufifutulewora_vixazatomizepu_gipoxalixem.pdf
    • http://narvaezabogados.com/uploads/1/3/0/5/130588149/7773611.pdf
    • http://landoninlondon.com/uploads/1/3/0/6/130604321/werazubuf.pdf
    • http://vipogodowe.janderu.xyz/uploads/2020/01/28/dc9047f9f321f2.pdf
    • http://morestyle.com.au/uploads/1/3/0/2/130289453/bilakojen.pdf
    • http://bestperles05.fun/uploads/2020/01/28/mewukojalinigukivevo.pdf
    • http://integralpov.com/uploads/1/3/0/5/130543059/4e94ccf14721aac.pdf
    • https://kamiregop.weebly.com/uploads/1/3/0/5/130588543/2066220.pdf
    • https://dokinewizoz.weebly.com/uploads/1/3/0/4/130490006/f240a0b3e1.pdf
    • http://munukutep.audiostart39.icu/uploads/2020/01/27/jewilapozenulevuket.pdf
    • http://littleplates.net/uploads/1/3/0/2/130272988/nokidexopowok.pdf
    • http://youngeniusesociety.weebly.com/uploads/1/3/0/6/130639240/58bc1.pdf
    • http://legacytaxidermy.net/uploads/1/3/0/2/130291527/8317634.pdf
    • http://tebus.kewa.fun/uploads/2020/01/28/xefejugixer-kuleso-genuregezo.pdf
    • http://vomalomi.asmiskfo.ru/uploads/2020/01/29/muvekewi.pdf
    • http://mfjenk.com/uploads/1/3/0/6/130603852/3171d345236.pdf
    • http://marcellawatson.com/uploads/1/3/0/5/130539093/130539093.html#choir+guy+sebastian

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000161e.bin
fdba600388eb7924424f54513a03c7a691d707fa742f59305ce5195a5b308405		 pdf-font-stream PDF embedded font (sfnt) at offset 0x161E 8032 bytes

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