Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ab824952e4b20de…

MALICIOUS

PDF

39.0 KB Authoring application: LibreOffice
MD5: 45f832941ba6f6288b37b274f5af2410 SHA-1: 84adf2a302fd36e1fd1edf708dce7efa3a529259 SHA-256: 1ab824952e4b20de79fa8c16d02791d9569ce7847ea22c6c4a3ded5645ac0aad
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to other PDF files hosted on various domains, suggesting a link farm or distribution network. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection. 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://msfm-international.com/uploads/1/3/0/6/130620873/f0f638b3.pdf
    • http://crumpgreenhouse.com/uploads/1/3/0/7/130776858/dikateda_rivan_kodixejoz.pdf
    • http://www.gregorydwidmer.com/uploads/1/3/0/5/130588571/9c6088b.pdf
    • http://www.debaite.com/uploads/1/3/0/3/130323281/polikodiba.pdf
    • http://bellamayphotography.com/uploads/1/3/0/7/130776338/3550625.pdf
    • http://hotelfindercity.com/uploads/1/3/0/6/130620345/4018518.pdf
    • http://nprycetest.com/uploads/1/3/0/7/130776027/balor.pdf
    • http://www.jlservices.fr/uploads/1/3/0/8/130874150/3764503.pdf
    • http://firemaker.org/uploads/1/3/0/5/130539494/1207944.pdf
    • http://100wwclickingcounty.org/uploads/1/3/0/5/130539768/libudolitokifadodeno.pdf
    • http://additionmeddevicetalentsolutions.com/uploads/1/3/0/6/130604639/8215748.pdf
    • http://keenlingo.com/uploads/1/3/0/7/130739213/37cb6ebbdf4a.pdf
    • http://webmail.wellroundedmom.com/uploads/1/3/0/5/130590482/xujinowuxegoxebo.pdf
    • http://www.loving-your-pets.com/uploads/1/3/0/6/130621721/dimoramamol.pdf
    • http://eatsperformance.com/uploads/1/3/0/2/130274166/befur_ruxif_zemagewikivodof.pdf
    • http://notanotherjennifer.com/uploads/1/3/0/4/130491253/610909.pdf
    • http://stayhealth.org/uploads/1/3/0/7/130738994/vifamiti-sugopovip-mugafogukeza.pdf
    • http://74-123-73-219.mgwnet.com/uploads/1/3/0/6/130604279/130604279.html#cover+letter+example+graduate+degree
    • http://www.loving-your-pets.com/uploads/1/3/0/6/130621721/dimoram

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003aeb.bin
a11330f8f1f679287cb26475f94b7e751d7e625436bdda60d0985b29efa2ea3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3AEB 8144 bytes

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