Malicious PDF — malware analysis report

Static analysis result for SHA-256 54a7e100432ac641…

MALICIOUS

PDF

64.8 KB Authoring application: SWFTools
MD5: 71c65b5e35ef495f02599081f1de3dce SHA-1: 222fb8d82e47d0ebc6dc4ae3e29e71f12dcc7a01 SHA-256: 54a7e100432ac6410638e0a26157a6ce9ef25b29af687a1403b03d4d2cc96289
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was detected as malicious by ClamAV with the signature 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a large number of external links embedded within the document, a technique often used for SEO manipulation or to direct users to phishing sites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, pointing to 'flyyover.com' as a dominant host for these links. 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://flyyover.com/uploads/1/3/0/3/130324227/nanuraxuvebi_pekuwove_vixaw_naxava.pdf
    • http://newwaveproperties.net/uploads/1/3/0/5/130588500/nuluvidok.pdf
    • http://daytonheritagemuseum.org/uploads/1/3/0/6/130639446/jozukosujelovosobi.pdf
    • http://multistreams.com/uploads/1/3/0/6/130604636/130604636.html#typhoid+fever+in+infant

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010e6.bin
5dbd74391e1537821d7a39e258015ad4f2271874e1128b3247f47d7ca4e00a54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E6 9008 bytes
font_01_sfnt_off0000af34.bin
cae1f20d0c0c5e828ba10f1a7dd3bf1b5cc494d37195daa1463ea9e1b04ff358		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAF34 16076 bytes
font_02_sfnt_off0000c394.bin
2ba7b9b96c11920d1662dd1d23c941679d44720afffca8524f1659824d25b31f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC394 2736 bytes

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