Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ee2d20d5699842b…

MALICIOUS

PDF

38.2 KB Authoring application: OpenOffice Draw
MD5: 12f01f7871840c40b5d58a64796ad519 SHA-1: 5cf79e1d7055568cacf01dc8b19650b99ac06784 SHA-256: 9ee2d20d5699842b6c8db60896c15e99d555dd09a8b7ef755f0bc0b8d70a691c
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, to domains that appear to be part of a link farm. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall suggests a phishing or traffic redirection scheme. The embedded URLs are likely used to redirect users to malicious content or phishing pages.

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://malina.sexy/uploads/2020/01/27/4084844.pdf
    • http://perthpreview.com/uploads/1/3/0/5/130590235/3944221.pdf
    • http://re-electgregbeck2018.com/uploads/1/3/0/4/130476850/6932756.pdf
    • http://xif.reshenie-odincovo.ru/uploads/2020/01/28/035514f.pdf
    • http://tampafldaily.com/uploads/1/3/0/2/130272848/6423929.pdf
    • http://newdawnbirthdoula.com/uploads/1/3/0/5/130550887/gizazewimesotajuva.pdf
    • https://vimuzizop.weebly.com/uploads/1/3/0/2/130272438/divinebasites.pdf
    • http://sopito.inverautosrenault.com/uploads/2020/01/29/zekatepokapuze_lefaji.pdf
    • http://jokelas.valekor.ru/uploads/2020/01/27/kizazufip.pdf
    • http://poweryogaflow.com/uploads/1/3/0/4/130483457/jarevemofimalibag.pdf
    • http://keenanforever.org/uploads/1/3/0/3/130323295/1d98073.pdf
    • https://zaxowodejagabul.weebly.com/uploads/1/3/0/5/130539244/gizorixodivisotuzu.pdf
    • http://vutufekave.roda-climate.ru/uploads/2020/01/27/valunidaranijejivut.pdf
    • https://bofutazi.weebly.com/uploads/1/3/0/5/130545800/vemaf.pdf
    • http://wiwomenvote.org/uploads/1/3/0/5/130539338/wetejumaka.pdf
    • http://tuni.audiostart75.icu/uploads/2020/01/28/cbc84ee539c86.pdf
    • https://vapajulit.weebly.com/uploads/1/3/0/4/130476158/4406757.pdf
    • http://ne-surgerycenter.net/uploads/1/3/0/3/130323672/130323672.html#sign+guidelines+hyperkalemia

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000148d.bin
9ad75528fac3f779e2c2e35c218c66b0c9dcff77ad07324644e5cf0bee7e3ad7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x148D 7880 bytes

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