Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b9be5695750d250…

MALICIOUS

PDF

34.6 KB Authoring application: ImageMagick
MD5: 5b24b3b8c85d80aedd2a17d4566ba583 SHA-1: 7c6314b20b178eb7341bf679457b5b926dc0e27c SHA-256: 2b9be5695750d2502675be3699ec7c6c8632ab76e4aa559d8154b74b40b1e1c9
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 links, identified as a link farm, which is a common technique for distributing malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of this file. The primary intent appears to be directing users to download further malicious PDF files from the listed URLs.

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://mindmeltgames.com/uploads/1/3/0/6/130620650/1712221.pdf
    • http://forst.fun/uploads/2020/01/28/jovutaturukalimimig.pdf
    • http://dianapoems.com/uploads/1/3/0/5/130589216/peraragejejufez_lumemididovun_paginisuwoja_jafuzipozikox.pdf
    • http://nhappyandbeautiful.store/uploads/1/3/0/4/130477074/a9b8ffbc6ed977.pdf
    • http://princetoncycling.com/uploads/1/3/0/3/130323717/926208.pdf
    • http://peggyjoyceruth.net/uploads/1/3/0/2/130288720/37ab1290a60148.pdf
    • https://gazijeligapemob.weebly.com/uploads/1/3/0/5/130542991/fobikelusibotu-rofete-dozujeb.pdf
    • http://arcsurgery.org/uploads/1/3/0/3/130379065/e17f97531eaf.pdf
    • http://chichomeinterior.com/uploads/1/3/0/5/130551890/a313a194db9f.pdf
    • http://mxmsupport.com/uploads/1/3/0/6/130621952/bumipinakamuri-vurebito-digifimosedo-fovirebilevol.pdf
    • http://northstarbees.com/uploads/1/3/0/5/130543569/ffff221f985ab.pdf
    • http://bodyworkbybarb.com/uploads/1/3/0/5/130589260/130589260.html#tc+thunderhawk+parts

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001332.bin
042cb0490af9ff295dfbe266a4a79f966e6b5699b5a80af978db6193198075d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1332 8428 bytes

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