Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3114e63e67d342c…

MALICIOUS

PDF

34.2 KB Authoring application: OpenOffice.org
MD5: caee8fdcab6dcde706bcf041a0c9562b SHA-1: 01ed5ca5778835aa2453a4dac82ef0605afa3239 SHA-256: d3114e63e67d342c089e12a01d9d0b5c016235350f987922b31165e7ce1d2a34
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This suggests a link farm or redirection strategy, common in phishing campaigns or to distribute further malware. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://myuschamifc.com/uploads/1/3/0/3/130379485/4638484.pdf
    • http://remarkables.club/uploads/1/3/0/2/130270958/9427132.pdf
    • http://bourne4seasons.com/uploads/1/3/0/6/130621989/f9d506386b.pdf
    • http://boudikacomics.net/uploads/1/3/0/3/130323599/ff3489241.pdf
    • http://evolvehealthandwellbeing.com/uploads/1/3/0/3/130324351/bujoxoravop.pdf
    • http://mx.myimages.biz/uploads/1/3/0/8/130874409/36f6798f6.pdf
    • http://www.pragmaticinstructionaldesign.com/uploads/1/3/0/6/130603776/lepulagujezovapinuje.pdf
    • http://easyauctionshipping.com/uploads/1/3/0/7/130739067/4570889.pdf
    • http://www.medbill1.com/uploads/1/3/0/4/130436289/7837f8c5.pdf
    • http://dorsetponds.com/uploads/1/3/0/4/130483690/xopaviboribibakenag.pdf
    • http://inside-the-distance.net/uploads/1/3/0/7/130776257/lumitijasefunepi.pdf
    • http://www.chrisgoldenresearch.com/uploads/1/3/0/2/130270938/5381083.pdf
    • http://restroomlist.com/uploads/1/3/0/4/130478210/4054636.pdf
    • http://northcountypronetworkers.com/uploads/1/3/0/7/130775879/disupujazawoxoj.pdf
    • http://www.thejourneytoloveandlight.com/uploads/1/3/0/4/130475932/ab356677.pdf
    • http://thatswhatsupbg.com/uploads/1/3/0/5/130539660/pujakizemeguriv.pdf
    • http://74-123-79-147.mgwnet.com/uploads/1/3/0/9/130969354/130969354.html#posterior+cervical+lymph+nodes+drain

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002beb.bin
d950c98717dd6df32b1e114420a6f13a27df4b8f8a983a437366407cc5af81e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BEB 7104 bytes

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