Malicious PDF — malware analysis report

Static analysis result for SHA-256 3123c6dca5ebf089…

MALICIOUS

PDF

47.9 KB Authoring application: Soda PDF
MD5: b692949f351eabff0657be80b0495b07 SHA-1: b3b6defc5b8a7437466e8c1b38a3f856feb88313 SHA-256: 3123c6dca5ebf0890af3a4a1d63099da183992cf3fa6f7399a161f302cb91b8d
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and ML classification strongly supports a malicious verdict. The document body appears to be corrupted or truncated, preventing a more detailed analysis of its specific lure.

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://lisarsmithspiritualquest.com/uploads/1/3/0/2/130288673/wozobizuvered-zogisotusorir-vemizaxiki.pdf
    • http://myrnaphillips.com/uploads/1/3/0/7/130738652/3560205.pdf
    • http://callsherselfafeminist.com/uploads/1/3/0/6/130604595/nalumakazakovafa.pdf
    • http://fairfaxescaperoom.com/uploads/1/3/0/5/130547078/9902781.pdf
    • http://gtralacarte.com/uploads/1/3/0/4/130483412/cf3e63.pdf
    • http://www.fairfieldpestpros.com/uploads/1/3/0/4/130435870/zumevevepuveku.pdf
    • http://isitcancelled.com/uploads/1/3/0/5/130539438/9609814.pdf
    • http://myspiritlevel.co.uk/uploads/1/3/0/3/130313035/forogeb-wudokubugib.pdf
    • http://madammirage.net/uploads/1/3/0/3/130379333/juvusulu-fujeji-kadaba.pdf
    • http://tranresources.org/uploads/1/3/0/2/130270823/mezakabos_rujiz_kebukapav.pdf
    • http://preschoolhouse.com/uploads/1/3/0/4/130491757/3062317.pdf
    • http://resurrectionmuseum.com/uploads/1/3/0/5/130546645/6593015.pdf
    • http://nosceteipsum.co.uk/uploads/1/3/0/7/130739318/3706260.pdf
    • http://msealsphotograph.com/uploads/1/3/0/6/130621897/zabujulebif.pdf
    • http://hyenascreenprint.com/uploads/1/3/0/7/130775606/laragovazef.pdf
    • http://wcd-3ni9vm8.mgh-r.ch/uploads/1/3/0/6/130640231/130640231.html#ielts+speaking+band+9+2019

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b6e.bin
eeae66dcf7295aec38bad2d71577db3dbd1222a04e4867803b58c38f6f6557fa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B6E 18948 bytes
font_01_sfnt_off000054f4.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54F4 2652 bytes
font_02_sfnt_off000060ce.bin
1eb970aa41ee4ff51f6bb483a5a471f4204a3ddf536ab25d16b1f8e59bcd8b2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60CE 8344 bytes

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