Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da2db4626557e1d…

MALICIOUS

PDF

54.6 KB Authoring application: OpenOffice.org
MD5: 6f60a81991b95c7c28380fb3eb29ac70 SHA-1: 679289ded5c2466727dd438306a5ffad3f21c2d9 SHA-256: 1da2db4626557e1d1e7e2026a1775a1d06a243f0939f6d947cc3529035106543
120 Risk Score

Malware Insights

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

The PDF file was flagged for containing a large number of external links, a common tactic for SEO manipulation or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. The embedded URLs point to various domains, all appearing to host similar PDF or HTML content, reinforcing the link farm hypothesis.

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://myrolemodel.info/uploads/1/3/0/7/130739223/9574553.pdf
    • http://mmtaxandfinancial.com/uploads/1/3/0/2/130274279/4628129.pdf
    • http://laschober.net/uploads/1/3/0/7/130738936/wotezupogerowa-pefadat-lexatu-suvuvolodaz.pdf
    • http://noreenwilliams-gibbs.com/uploads/1/3/0/2/130273581/49a4f549cbc1185.pdf
    • http://acouturelife.com/uploads/1/3/0/4/130483515/130483515.html#standard+galactic+alphabet+keyboard++ios

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001100.bin
9c04b16d5bb4909c2b3f06d12bfb0e2475bf46da90714e626a1b6403352c5b3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1100 9592 bytes
font_01_sfnt_off000086de.bin
e5d86f975e904c0c22d1ea5a0c447bb0be82c2dc0854605ad0f08daeb3f6a1d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86DE 16104 bytes
font_02_sfnt_off00009b57.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B57 2652 bytes

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