Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fa5398f66eda59f…

MALICIOUS

PDF

34.0 KB Authoring application: LibreOffice Draw
MD5: 72c05f34c8e6023a5bc66ae79fb3d677 SHA-1: 75b755116806adb0b018c04fe8f450d2e22d1d5d SHA-256: 4fa5398f66eda59fcefe89cbc429a8152e30446875fff5c3316075414d4a79ce
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 URLs, indicating a link farm likely used for SEO manipulation or to direct users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic-driving intent. No scripts were extracted from this sample.

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://jimmyplease.com/uploads/1/3/0/8/130815080/dotominu_xatagaburawej_gumunenoza.pdf
    • http://broncoscopecabinets.com/uploads/1/3/0/6/130639747/7248026.pdf
    • http://bayviewblast.com/uploads/1/3/0/6/130621798/9350905.pdf
    • http://clarissa.store/uploads/1/3/0/8/130813609/figekozunitixek-tawigoxa-samame-badenuse.pdf
    • http://myconnectutility.com/uploads/1/3/0/2/130273845/linajiwu-zakidebixovoj.pdf
    • http://roseprogram.com/uploads/1/3/0/2/130272644/zerezuwafalibo-benebak-gejemabizi-juxexezu.pdf
    • http://shortack.com/uploads/1/3/0/9/130969553/bafojovokafomozuxiri.pdf
    • http://pcbchain.co.uk/uploads/1/3/0/2/130271049/lifivus-kabafufozivoper.pdf
    • http://mackenzieemievents.com/uploads/1/3/0/5/130543377/nisusebuvob-nexogel-julunijufemumo-vakodol.pdf
    • http://ocwswwtp.com/uploads/1/3/0/4/130483499/8228094.pdf
    • http://mta-sts.mx.mtmetfab.com/uploads/1/3/0/8/130813059/dewixigerupuveka.pdf
    • http://texanvegan.com/uploads/1/3/0/4/130435702/130435702.html#icao+annex+10+volume+5+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c25.bin
b2758d5c25d1d6fae4575df00e81811fe3395c5345c6e6e683a7e78a0258ef4d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C25 8428 bytes

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