Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef47030f360322b9…

MALICIOUS

PDF

36.3 KB Authoring application: ImageMagick
MD5: da806a764c93a7bef861e2a056598466 SHA-1: b466000847cf2bf7147e6391408effa3e4f66fb7 SHA-256: ef47030f360322b9a5952b2ff0ea003367514a74bbe22bd6c006a1a2ed8f2748
150 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links to other PDF files hosted on various domains, indicating a link farm or distribution network. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and a machine learning classifier also flagged it as malicious. The document body text is heavily corrupted and does not provide further context on the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ninamarcela.com/uploads/1/3/0/4/130435635/watebu_mesuwuwugul_gafiwij.pdf
    • http://comfish.com.au/uploads/1/3/0/7/130739346/jowowafijukefuf-dorawufazesotes-makum.pdf
    • http://bebelechecln.com/uploads/1/3/0/5/130588499/bubuxixamerebemiso.pdf
    • http://sharemytweets.com/uploads/1/3/0/5/130550970/3070755.pdf
    • http://soulletseat.com/uploads/1/3/0/7/130775245/4fa06f2472aa9.pdf
    • http://bramvanroyphotography.com/uploads/1/3/0/8/130815277/lepexuxusaf_pikowebosujake_vunef.pdf
    • http://pmckfunctionalfitness.com/uploads/1/3/0/3/130313200/5364467.pdf
    • http://babagoosh.com/uploads/1/3/0/5/130539517/walejabasimodak.pdf
    • http://www.newmailing.it/uploads/1/3/0/5/130544352/a83acf99dd0a67.pdf
    • http://paperawesome.net/uploads/1/3/0/6/130621283/b1be9f00fd1.pdf
    • http://cejaspostizas.com/uploads/1/3/0/6/130604949/4c96751f9eb4e.pdf
    • http://ncfash.com/uploads/1/3/0/7/130775907/nofariwobipave.pdf
    • http://bethelatchristmas.com/uploads/1/3/0/4/130435734/7afa58399118.pdf
    • http://changewithconnie.com/uploads/1/3/0/5/130550679/nilesoxavebuke.pdf
    • http://witches.church/uploads/1/3/0/7/130776037/c051d.pdf
    • http://baarleproeft.com/uploads/1/3/0/7/130775825/7c03e70e0e5c58.pdf
    • http://scope-for-growth.com/uploads/1/3/0/2/130272862/0383f2a.pdf
    • http://www.bayreiki.com/uploads/1/3/0/8/130813799/4358344.pdf
    • http://mom.paaap.org/uploads/1/3/0/6/130603855/vawagesufenu.pdf
    • http://bardosfoundation.bardosdiamondsports.com/uploads/1/3/0/8/130813730/130813730.html#pumping+and+aerial+apparatus+driver%2Foperator+handbook+3rd+edition+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fa3.bin
d28876edbb85bb0423a782b6578a85aebf7cec45c8a94e472612bdcd951d176e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FA3 7692 bytes

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