Malicious PDF — malware analysis report

Static analysis result for SHA-256 4abcfa65ad4510b5…

MALICIOUS

PDF

39.0 KB Authoring application: Scribus
MD5: b486385e928141ece28a1e10b1b3478f SHA-1: 0c54e2a45b1d3bd8424221a98a7b73c95cbf90b1 SHA-256: 4abcfa65ad4510b5fabd48a5e8a5700dd64660dbc43ac31376118b7f55c1bef2
128 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with numerous URLs pointing to other PDF files. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of a visual download button lure strongly suggest a phishing or malicious download attempt. The embedded URLs are likely part of this distribution scheme.

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://wrsni.com/uploads/1/3/0/4/130483680/guwupel.pdf
    • http://thenationaldeclaration.com/uploads/1/3/0/2/130289271/pusotowitudori.pdf
    • http://150200martingale.com/uploads/1/3/0/6/130620940/wewozojosawi.pdf
    • http://merbuteo.com/uploads/1/3/0/7/130738859/darovij.pdf
    • http://northeastmaterials.com/uploads/1/3/0/2/130289561/paximafetozip-gawodas-xowik-napujoxifub.pdf
    • http://okashi.be/uploads/1/3/0/3/130313698/midepuwesujug.pdf
    • http://999fmradiomanila.com/uploads/1/3/0/2/130288399/giguxilatusokotikavi.pdf
    • http://qmobix.net/uploads/1/3/0/2/130270921/bogevutugelu_xorofegudetad_domopopukalopum_jarogatokim.pdf
    • http://bfslyc.org.uk/uploads/1/3/0/2/130291596/6350765.pdf
    • http://rustykettle.com/uploads/1/3/0/2/130272592/a6f71826e30c.pdf
    • http://bridesmaiddressesnewhampshire.com/uploads/1/3/0/6/130605164/130605164.html#anatomy+for+sculptors+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012f3.bin
e165de0563bd8246ca6cd02a4ec25d77dcf40ebcc000f146983312ab391726ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12F3 8896 bytes

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