Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3dac09776397fb3…

MALICIOUS

PDF

33.3 KB Authoring application: Mobipocket Creator
MD5: 77ccc4b8b53fb84ccf39d5ed9bee71de SHA-1: 3797376806655aae1f056b0fb9f077d8bd67aadb SHA-256: e3dac09776397fb389b14b7c8bb97a7dd5d048777bf854949fbae1cffa071d57
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 URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV heuristic also flags this as a phishing-related threat. The embedded URLs are the primary indicators of malicious activity, suggesting a campaign to drive traffic to potentially harmful 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://seedsfineartexhibits.org/uploads/1/3/0/5/130589269/fowigusepuvosegewi.pdf
    • http://xoboz.help-tao.com/uploads/2020/01/28/vekukazizubijate.pdf
    • http://sowes.sber-afla.info/uploads/2020/01/29/loginumiwemep.pdf
    • http://suvim.nasdwkas.icu/uploads/2020/01/28/9411138.pdf
    • http://saferworldclothing.com/uploads/1/3/0/4/130435561/neritewi.pdf
    • http://amycashproperties.com/uploads/1/3/0/5/130539738/c1c628ebd76f55.pdf
    • https://begukizesil.weebly.com/uploads/1/3/0/6/130603834/zorukuvubitakavajab.pdf
    • http://michaelmoorestudios.com/uploads/1/3/0/5/130545957/biruga.pdf
    • http://odessawaterwell.com/uploads/1/3/0/2/130288915/pawofenekajel-kimasitifed.pdf
    • https://kanesebakekox.weebly.com/uploads/1/3/0/3/130313610/lakoxaj.pdf
    • http://newbirthdoula.ca/uploads/1/3/0/5/130542718/kosinonona.pdf
    • http://nhca-lions.org/uploads/1/3/0/6/130621475/130621475.html#la+cit%C3%A9+de+la+peur+t%C3%A9l%C3%A9chargement

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012f2.bin
57d8f07a70795289b4f20be1b8ba01465303ba0cd0d1b9763cac37c03832d8e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F2 8808 bytes

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