Malicious PDF — malware analysis report

Static analysis result for SHA-256 8749f07851335a63…

MALICIOUS

PDF

54.5 KB Authoring application: Adobe PDF Library 9.0
MD5: 0bf8452b553907f118dd5d5d4b231bb6 SHA-1: cec298d8f2199edba19dfb510a7f83883f5af137 SHA-256: 8749f07851335a637a13025b3dd5de4574ffbdaeaaf303aa976b8056a9e63d77
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a phishing or redirection attack, aiming to trick users into visiting malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious intent. 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://johngeneralconstruction.com/uploads/1/3/0/4/130476263/ca4cfd64.pdf
    • http://www.jmgardenservices.com/uploads/1/3/0/6/130640009/3688529.pdf
    • http://steppingstonesccod.org/uploads/1/3/0/3/130323996/suvumi.pdf
    • http://makeitwordpress.com/uploads/1/3/0/2/130287808/1125240.pdf
    • http://pnxpartners.com/uploads/1/3/0/5/130551064/c7ba9.pdf
    • http://nwspecialtylumbermill.com/uploads/1/3/0/5/130588861/a38aa.pdf
    • http://befitish.com/uploads/1/3/0/7/130738731/luxab.pdf
    • http://www.oklahomacitybulldogclub.org/uploads/1/3/0/4/130483940/juwovu_rixapotuxiv_kivugudoj_wumidabe.pdf
    • http://rhiannonlisettehenry.com/uploads/1/3/0/3/130323593/3613126.pdf
    • http://rosadosastros.com/uploads/1/3/0/6/130620343/bupibaxixufotow.pdf
    • http://katiaponomareva.com/uploads/1/3/0/5/130551518/130551518.html#old+ncert+medieval+india+pdf+in+hindi

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000049c0.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x49C0 1388 bytes
font_01_sfnt_off0000539c.bin
4dbdf301b54db8e1d583543efe45aa5675f6e0882a6a16e2429b4c2140da7b01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x539C 16392 bytes
font_02_sfnt_off0000801c.bin
e21ad1c4041266553322d80b52103041139e0344a71bd7865ed8ee2beb2017e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x801C 7784 bytes

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