Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca637d726593dee…

MALICIOUS

PDF

43.9 KB Authoring application: Scribus
MD5: 46bf90a1bc50df6ff3da784e77ef5991 SHA-1: 2a768ecefdaa2f40cf6b6fcac48eb33f63f8657c SHA-256: fca637d726593dee721cff9caf4b4adeef78530448abdc9bd4dfb377f60a7536
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection also flags this as a phishing-related PDF. The document body contains urgency lures, reinforcing the phishing attempt. The primary attack pattern involves directing users to a multitude of external PDF files hosted on various domains.

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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://cofse.net/uploads/1/3/0/6/130639779/6924213.pdf
    • http://milesalumniatl.com/uploads/1/3/0/4/130476887/3633373.pdf
    • http://nationalcasinomarketing.com/uploads/1/3/0/5/130588856/e246c42930ac.pdf
    • https://xutidororewu.weebly.com/uploads/1/3/0/5/130588434/064c2a26ca.pdf
    • http://nimim.borauto-vikingi.online/uploads/2020/01/28/4558936.pdf
    • http://edgelandscapeandmaintenance.com/uploads/1/3/0/6/130604411/dd6530ba7.pdf
    • http://thebesticecreamandcoffeesolvang.com/uploads/1/3/0/6/130620454/2542073.pdf
    • http://associazionedareprotezione.org/uploads/1/3/0/6/130620302/7297287.pdf
    • http://passerprojects.com/uploads/1/3/0/5/130590413/fapasi.pdf
    • http://courtneysteed.com/uploads/1/3/0/5/130541641/3091339.pdf
    • http://mikesrollingthndr.com/uploads/1/3/0/4/130435807/taziwemabiwofuz-navilisesovos-dopege-pujojuvuwamowif.pdf
    • http://pameladirnberger.com/uploads/1/3/0/5/130588430/130588430.html#detection+of+coliform+bacteria+in+drinking+water

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000014b6.bin
7fabb9a8746971864ded8fe5a7e1a0cde598f2ed0e142e442a84acc1bebca1ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14B6 7912 bytes

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