Malicious PDF — malware analysis report

Static analysis result for SHA-256 4de7939d81f3a700…

MALICIOUS

PDF

40.2 KB Authoring application: PDF Studio
MD5: 41c214c1febdb2675c6fc550443e1735 SHA-1: 8797c7726d4f3d8da93264cbe7c5dc960ffa1d13 SHA-256: 4de7939d81f3a700cbf3e07357c0ea18961bc87096dda7f089f1a68dc598c18a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files. The document body references "Bet365 apk android" and includes multiple URLs, suggesting a phishing or scam attempt to lure users into downloading further malicious content. The ClamAV detection further supports the malicious nature of the file.

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://thephenomenallife.com/uploads/1/3/0/2/130289198/ceebd2.pdf
    • http://lazybinaryoptionsignals.com/uploads/1/3/0/3/130313595/bililamozatolarow.pdf
    • http://phoenixatlbsa.com/uploads/1/3/0/5/130588956/sijoxeval-walomeg-tebunasidiguri-medegixigeva.pdf
    • http://geves.lcmevents.com/uploads/2020/01/28/kufeme.pdf
    • http://insideosuokc.net/uploads/1/3/0/2/130288301/wumozov.pdf
    • http://readersenvy.com/uploads/1/3/0/5/130544652/momowef.pdf
    • http://twinflamerunner.com/uploads/1/3/0/6/130620486/lowofeter.pdf
    • http://blossomsandbean.com/uploads/1/3/0/4/130476555/00a56246c.pdf
    • http://artisanstory.com.au/uploads/1/3/0/7/130739224/130739224.html#bet365+apk+android

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000116e.bin
bf15c2dca8fc18e20e9c54a2cde06296282b9c209d3ba5810cc3dcfd7d0cd32e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116E 8140 bytes

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