Malicious PDF — malware analysis report

Static analysis result for SHA-256 a3781aced74856fc…

MALICIOUS

PDF

44.5 KB Authoring application: QPDF
MD5: 4a785e3df4a138a8bd8926ae1d707a51 SHA-1: e9f0d3a6c921477ae52a7a0ef712108375790a87 SHA-256: a3781aced74856fc51eb121f81abbe66de2447ca2407b43a933a551133db5eb6
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection. The embedded document body text is heavily obfuscated and does not provide clear user-facing content, but the link farm structure is indicative of a malicious lure.

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://crewspacejr.com/uploads/1/3/0/4/130483761/0f36b5e8.pdf
    • http://webdisk.parkviewclc.com/uploads/1/3/0/6/130620628/4316201.pdf
    • http://mx.rockbug.org/uploads/1/3/0/3/130323538/9039dafa2.pdf
    • http://mail.wedopropertyownersinsurance.com/uploads/1/3/0/8/130814729/tived.pdf
    • http://www.napalandstewards.org/uploads/1/3/0/8/130873736/a7e88.pdf
    • http://tonguepower.xyz/uploads/1/3/0/6/130640088/915800.pdf
    • http://campbtq.com/uploads/1/3/0/5/130588779/c2ca2e79c.pdf
    • http://reallifewithjoy.com/uploads/1/3/0/6/130639954/534a2a9b7b9.pdf
    • http://www.nikkigillette.com/uploads/1/3/0/8/130874435/936ae2.pdf
    • http://www.pickledpretty.com/uploads/1/3/0/8/130874615/4704109.pdf
    • http://imaginaryrats.org/uploads/1/3/0/4/130488666/zogodasasajugu.pdf
    • http://mylabeau.com/uploads/1/3/0/2/130291827/6882031.pdf
    • http://amateurhourfilm.com/uploads/1/3/0/4/130488736/2380250.pdf
    • http://windswept.co.za/uploads/1/3/0/7/130739456/jirugaxalepamafubor.pdf
    • http://sirjnaarts.com/uploads/1/3/0/5/130540281/zedekeso.pdf
    • http://blisstravel.info/uploads/1/3/0/5/130588810/tilinuxobekotujudi.pdf
    • http://realedchat.com/uploads/1/3/0/7/130739661/5445059.pdf
    • http://wrapbros.us/uploads/1/3/0/4/130483514/lokuta.pdf
    • http://mistresswidow.com/uploads/1/3/0/4/130489696/dokutenujigoso.pdf
    • http://apartzurich-german.devsite-1.com/uploads/1/3/0/6/130621983/130621983.html#how+to+make+a+3d+text+effect+in+photoshop
    • http://mx.rockbug.org/uploads/1/3/0/3/130323538/9039dafa2.pd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ef6.bin
ceda2f9b6b83f8a353519dafbad8f31e6e378b425968a3226d0284c482e5a40c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EF6 8424 bytes

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