Malicious PDF — malware analysis report

Static analysis result for SHA-256 2989699968da2d46…

MALICIOUS

PDF

39.0 KB Authoring application: Nitro PDF
MD5: 2c9aae5e4ae271e6c3b823bf927249fb SHA-1: c0f587d875f8fe7b6af1cf1c4d6e94a269760aa5 SHA-256: 2989699968da2d46c767cef39e1702c1c97bc68e099e88b56610a297039728bc
142 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, many of which point to other PDF files, indicating a link farm for SEO or malicious redirection. The heuristic 'SE_CALLBACK_LURE' suggests a phishing or tech-support scam context. ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall' further supports a phishing or malicious content delivery intent. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.

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
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://isaglobal.org/uploads/1/3/0/5/130542780/36b39fca.pdf
    • http://beautybybfm.com/uploads/1/3/0/6/130605393/836edfbf8dab6fc.pdf
    • http://www.vbhcrafts.com/uploads/1/3/0/7/130739663/desolewexuveb.pdf
    • http://s6wraps.com/uploads/1/3/0/3/130313262/e8ea8a1e84.pdf
    • http://sirine.online/uploads/1/3/0/7/130776514/fuvogenutipolor_dafexaroxetupik_gejaninafow_xubiwujeju.pdf
    • http://tecnotenerife.com/uploads/1/3/0/2/130289295/bapivar.pdf
    • http://www.clevelandchamberchoir.com/uploads/1/3/0/8/130874517/4373376.pdf
    • http://vandenbossracing.com/uploads/1/3/0/7/130775850/fozesozotujexo.pdf
    • http://walnutcreekgolfacademy.com/uploads/1/3/0/6/130621892/tufedudadoj-jufabos-lokob.pdf
    • http://collectionof.org/uploads/1/3/0/5/130540366/refufa-wadaxujekapidil.pdf
    • http://visionofknowledge.org/uploads/1/3/0/8/130814058/3ed4c1.pdf
    • http://alanakolb.com/uploads/1/3/0/5/130589145/01288a690c.pdf
    • http://ausmtbr.com/uploads/1/3/0/4/130436450/babuvubibexak.pdf
    • http://empire91.com/uploads/1/3/0/8/130813588/73846b15a58f1a.pdf
    • http://stayusahotel-wb.devsite-1.com/uploads/1/3/0/5/130588492/130588492.html#www.uan+member+portal+login

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e25.bin
44f7bdf9c1b9e0b5207fac029fad3b74cf41d2c8dbadf40310048248f2dbc6f7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E25 8216 bytes

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