Malicious PDF — malware analysis report

Static analysis result for SHA-256 375e078e671d318b…

MALICIOUS

PDF

46.5 KB Authoring application: QPDF
MD5: 4bebf33e30a6f535b9cc716974b697ec SHA-1: 7d926b1e36d3e8961be4b2e18f56c0ac75ae2475 SHA-256: 375e078e671d318bb27e24d1fb39f59690a84e4bc07af3a4e450a25f4cfe4a51
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further indicates a malicious intent, likely related to phishing or traffic redirection. The document body contains fragmented text and URLs, reinforcing the link farm observation. 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://stunningsphynxkitten.com/uploads/1/3/0/6/130640057/ziwefutim.pdf
    • http://baudlbears.com/uploads/1/3/0/5/130548192/c6710da33a362.pdf
    • http://bestsellersdeal.nl/uploads/1/3/0/3/130323959/baxofepusig-puworani.pdf
    • http://lenke-nauck.com/uploads/1/3/0/6/130605146/1537542.pdf
    • http://mermaidtidying.com/uploads/1/3/0/6/130604627/wererodetogurixufid.pdf
    • http://addaihealthedu.net/uploads/1/3/0/4/130476523/mazeje.pdf
    • http://middleagedpinay.com/uploads/1/3/0/2/130274098/3ee094d.pdf
    • http://dewebo.comtrans.info/uploads/2020/01/28/vudokumejosebi.pdf
    • http://tazugope.studio-elephant.ru/uploads/2020/01/28/nilomelubozu_newafonomugixid.pdf
    • http://nooracademyonline.com/uploads/1/3/0/2/130270872/9935552.pdf
    • http://mysoundcollective.com/uploads/1/3/0/2/130273735/130273735.html#contemplated+traduction+en+francais

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012d5.bin
04f22517beb4ff81b7331cd45d2c8603bba0080b43bc885d2196b9b95a3fae4f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12D5 9676 bytes

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