Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9edbaf13222795c…

MALICIOUS

PDF

37.3 KB Authoring application: pdf-parser
MD5: 5f9898a551e1c530f30012823cf24c82 SHA-1: 95848186743be481b718cacbfc9dbe94b63a6613 SHA-256: c9edbaf13222795c6e4d0ac232f5e0c882f1cf366da987a40e235441c7b58524
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO poisoning or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing intent. The embedded URLs are likely part of a campaign to redirect users to malicious 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://mlacondosforsale.weebly.com/uploads/1/3/0/4/130477007/tuxeset.pdf
    • http://agenkastam.com/uploads/1/3/0/6/130639273/tipifuzalurijixevi.pdf
    • http://lumenlyco.com/uploads/1/3/0/6/130620801/9518a.pdf
    • http://bodysoulhealing.net/uploads/1/3/0/6/130621115/podadaludikigew-dimibo.pdf
    • http://qualitynow.net/uploads/1/3/0/4/130483337/5b56a6.pdf
    • http://200jobs.com/uploads/1/3/0/6/130620574/9abba61b1b224.pdf
    • http://serdogan.com/uploads/1/3/0/4/130483753/2cf0f7b7456.pdf
    • http://bfaog.com/uploads/1/3/0/2/130291624/6ec871c085fb.pdf
    • http://mjrich.net/uploads/1/3/0/6/130604918/aad6f1cb0ea7.pdf
    • http://bezdiet.icu/uploads/2020/01/28/momexuxijom.pdf
    • http://residencebaiaverde.com/uploads/1/3/0/6/130604826/6108879.pdf
    • http://acouturelife.com/uploads/1/3/0/2/130271043/130271043.html#leveling+guide+ffxiv+botanist

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000127e.bin
f9b064b8fa9e8f5db6d448b2caaddc0daf64c0291a3bb231f0a6f44dd5e5923d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x127E 8328 bytes

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