Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0db260132cb98ca…

MALICIOUS

PDF

39.4 KB Authoring application: PDF Studio
MD5: 6b3255f7c11b4b16444ce0bfd15ff815 SHA-1: 1d77d04dd65a234d6b2b5ee8e7a5e9b7788d230a SHA-256: b0db260132cb98ca5a295d45628d97e44ebb32bd2a51d949b3f6aa0906c07b7f
128 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, which is a strong indicator of malicious intent. The ClamAV detection further supports this, classifying it as Pdf.Phishing.TtraffRobotInstall. The document body, though heavily corrupted, contains fragments of text related to 'Navodaya exam online application', suggesting a lure to trick users into clicking the links. The primary attack pattern involves a link farm designed to redirect users to potentially malicious websites.

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://journeytosimplicity.org/uploads/1/3/0/4/130435929/9679479.pdf
    • http://mrmanateepoolservice.com/uploads/1/3/0/6/130639777/mevinujegigep_kakafanezos_gagad_jijebi.pdf
    • http://thinkmundo.com/uploads/1/3/0/7/130776149/fb81df9c7.pdf
    • http://ooredoopalestine.net/uploads/1/3/0/6/130621134/d90d1983f2af0.pdf
    • http://lauralemay.net/uploads/1/3/0/5/130588269/vamogovotaruk_pulufemod_vigadex.pdf
    • http://pawsandfriends.org/uploads/1/3/0/2/130272474/jitexiv_dosuxugaxed_jisavalarerujiv_sozebebikagupu.pdf
    • http://sawtoothmountaincider.com/uploads/1/3/0/2/130271114/2508960.pdf
    • http://stilettomagic.net/uploads/1/3/0/6/130621374/7219428cddea0.pdf
    • http://sensitivoantonio.it/uploads/1/3/0/3/130313054/118695.pdf
    • http://sylvainetlesfilles.com/uploads/1/3/0/5/130550938/lemetesukutapawo.pdf
    • http://neurorehabkent.com/uploads/1/3/0/6/130620942/rizibabi.pdf
    • http://gaganyaan.me/uploads/1/3/0/5/130543155/jixevuw-siniwopo-tovug.pdf
    • http://russianboutique.co.uk/uploads/1/3/0/3/130379356/funexogomomimuvobuda.pdf
    • http://thingraniteveneer.com/uploads/1/3/0/5/130538931/gubesumaxedavubeg.pdf
    • http://arihua.com/uploads/1/3/0/6/130620232/9858775.pdf
    • http://zikabrazil.com/uploads/1/3/0/4/130483416/30fd6b3db.pdf
    • http://1stollie.com/uploads/1/3/0/6/130605493/bigokepo-dubozozu.pdf
    • http://africanretreats.com/uploads/1/3/0/4/130436282/8163144.pdf
    • http://sckatelynham.com/uploads/1/3/0/5/130551330/dinijadupugaxogana.pdf
    • http://cloudflare-resolve-to.bigredlocksmiths.com/uploads/1/3/0/5/130551941/5e9f06f4395ba.pdf
    • http://ruthbavetta.com/uploads/1/3/0/5/130543333/midaxuseri.pdf
    • http://triathlonacademy.co/uploads/1/3/0/5/130539244/ritebumeson_gitesefesog.pdf
    • http://montanagps.com/uploads/1/3/0/5/130539021/vofeletakizu-kufizikokirub.pdf
    • http://newsmint.net/uploads/1/3/0/5/130541623/kagubedodewobi_xiberibidot_wasesufeboka.pdf
    • http://mta-sts.chrispickettceramics.com/uploads/1/3/0/6/130621392/8760626.pdf
    • http://7m.lucky1st.com/uploads/1/3/0/6/130605001/130605001.html#navodaya+exam+online+application+2018

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003558.bin
fea70586efabb2b67b789177546b958df696611f4432f81807e10bdb2ed53bcd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3558 7936 bytes

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