Malicious PDF — malware analysis report

Static analysis result for SHA-256 2880d9414a02b90d…

MALICIOUS

PDF

67.7 KB Authoring application: PDF Studio
MD5: 1235d907fcee0ed669f7f475c89d2197 SHA-1: fafd16009a38827a299a2f26b95361a2edd1b954 SHA-256: 2880d9414a02b90dd871e5cc63b15c24349c16a24fb498551f83ffeed45e987a
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains a link farm with 18 external PDF links, indicating a phishing or SEO spam campaign. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing intent. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic suggests a lure to trick users into downloading content. No scripts were extracted from this sample.

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://christiancoelho.com/uploads/1/3/0/6/130639895/pogojuwutofipupas.pdf
    • http://michiganroofmasters.com/uploads/1/3/0/2/130272853/95c0b745e049.pdf
    • http://mylittlecutfootcabin.com/uploads/1/3/0/2/130272880/3081648.pdf
    • http://montanabridalshows.com/uploads/1/3/0/4/130483805/towedi_pufavi.pdf
    • http://nicolemontagna.com/uploads/1/3/0/7/130739944/5442105.pdf
    • http://mrfriedliclass.com/uploads/1/3/0/3/130379549/fefop-forajusofal-bodetezeki-begotusisuw.pdf
    • http://jamesmcleodvo.com/uploads/1/3/0/6/130604675/sokijamizusij_latovuwe_tuzotib_zarokufaz.pdf
    • http://trollsock.com/uploads/1/3/0/4/130475955/6523fcf3af3429f.pdf
    • http://the-hemp-life.com/uploads/1/3/0/6/130639488/bozonuxom_zemiligu_vabug_xejimekalovudik.pdf
    • http://davidmarquesibanez.com/uploads/1/3/0/3/130323515/130323515.html#cd+formatteren+windows+7
    • http://jamesmcleodvo.com/uploads/1/3/0/6/130604675/sokijamizusij_lato

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000139c.bin
428cf030e6fe5bdce9b7480055144953ccaadf2b4c194356c728e882a042b8ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x139C 11344 bytes
font_01_sfnt_off0000723e.bin
23f0c93fd37d4f3e86f5046d46a6edd8cd2787efb731c37b5969f59552be82b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x723E 11696 bytes
font_02_sfnt_off00008c40.bin
5fa74429b24a186d554f437b72330a5bcb49a218bc1b244032b576afefb0f893		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C40 7616 bytes
font_03_sfnt_off0000a082.bin
cdea73cf02870a6b6e81cd5eef642516d9ccc3c8698b62721ab2f3dfb0d3b58f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA082 8472 bytes
font_04_sfnt_off0000bbd1.bin
af79eac2c9947b30d3bc900bf8478ca4cb137a07a06f55084c41383c2f80d1a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBBD1 18400 bytes

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