Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d149ba987aa0032…

MALICIOUS

PDF

37.3 KB Authoring application: pstoedit
MD5: 6e1ec740396975c95974b486b8b1d6aa SHA-1: a43d33ef770bd433f53b7b9d46fba78fefb4f7af SHA-256: 8d149ba987aa00328aedd3313d22bce330f91ced33a80093e22ac17658d61137
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection further confirms its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs suggest a phishing or SEO poisoning attack, aiming to redirect users to potentially malicious content. No scripts were extracted from this sample.

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://nhappyandbeautiful.store/uploads/1/3/0/2/130288510/acc2d.pdf
    • http://jituxul.migrascop.ru/uploads/2020/01/28/fipoj.pdf
    • https://guzotamiterif.weebly.com/uploads/1/3/0/5/130540118/xogetupotut.pdf
    • http://solcreative.co.nz/uploads/1/3/0/4/130488273/567519ed06.pdf
    • http://normandyoptical.biz/uploads/1/3/0/5/130590265/f8c764d2f3a7.pdf
    • http://pawpawplayhouse.com/uploads/1/3/0/2/130289632/tixalekeza-fedetekabu-nosejizafurad.pdf
    • http://mymissblue.com/uploads/1/3/0/6/130639743/130639743.html#underswap+papyrus+fight+unitale

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000116e.bin
639f1c91140b218b49ac26de25901313241c94021995c9785ff554dbc739a185		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116E 8448 bytes
font_01_sfnt_off00005446.bin
9eae2799d9761ceeb070df4d60876704bb2022e8bad7d405fcd9ac2042f1b942		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5446 2812 bytes

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