Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a2225912f2e5c17…

MALICIOUS

PDF

31.3 KB Authoring application: pdf-parser
MD5: 7691211dcf97b2aebd1b8d16104502c9 SHA-1: 33b34bb8a4957775a3f4527acfdb21df9b9d8999 SHA-256: 9a2225912f2e5c17b22709c0f29c52495d59bac91c08ee27ee11ad651e76c701
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique commonly used for SEO poisoning to drive traffic to malicious sites. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports its malicious nature. The embedded URLs are indicative of a phishing or malware distribution campaign.

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://morrismanagementinc.com/uploads/1/3/0/2/130272271/7282cf7f.pdf
    • http://cybersecuritydomain.com/uploads/1/3/0/6/130620642/manumorifav.pdf
    • http://www.avikw.com/uploads/1/3/0/6/130639181/4448b3189c.pdf
    • http://wallgears.com/uploads/1/3/0/3/130379232/juzanadipabagu.pdf
    • http://joesdawgs.com/uploads/1/3/0/5/130551981/fiwim.pdf
    • http://williamwhitlow.com/uploads/1/3/0/8/130814992/wotuv_xiluralufo_zemupatobegiw.pdf
    • http://efoodville.com/uploads/1/3/0/2/130271250/risawop.pdf
    • http://www.4thebettors.co.uk/uploads/1/3/0/7/130739680/mivepepe.pdf
    • http://whitneyswings.com/uploads/1/3/0/2/130288939/tinun.pdf
    • http://www.elementalacres.com/uploads/1/3/0/5/130589386/dodejenadavavi_winiwi_gipumudiwofofo.pdf
    • http://goodtimecharlieblog.com/uploads/1/3/0/6/130639808/7606632.pdf
    • http://drywallnewmarket.com/uploads/1/3/0/6/130621651/130621651.html#maths+grade+12+functions+and+graphs+pdf
    • http://www.elementalacres.com/uploads/1/3/0/5/13058938

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000023a3.bin
a6f8d14ab4e202512aa03b1888c29435eea43d10e023a5e6194f40c953c592f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23A3 7640 bytes

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