Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9add79225fdb96d…

MALICIOUS

PDF

44.1 KB Authoring application: Smallpdf Desktop
MD5: 934815f19779b4110941d759bb8ebf35 SHA-1: 6008852d2398de3678afc8dbb9db0bd77282c826 SHA-256: f9add79225fdb96dd17e7c066497574a5dfac103db778a84e1fa35f6d15372cb
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to other PDF files hosted on various domains, indicating a link farm or distribution network. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or traffic redirection intent. The embedded URLs are the primary indicators of this malicious activity, likely serving as lures or part of a larger campaign to drive traffic or distribute malware.

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://michelledburks.com/uploads/1/3/0/4/130435732/gewedonulafuvimux.pdf
    • http://coinabook.com/uploads/1/3/0/7/130775879/mamabafoviv.pdf
    • http://nwrilg.net/uploads/1/3/0/6/130621574/4096522.pdf
    • http://holypost.us/uploads/1/3/0/6/130639513/xizijutojovosikikota.pdf
    • http://upninmedia.com/uploads/1/3/0/6/130605078/2791d71f16c.pdf
    • http://training-smarter.com/uploads/1/3/0/4/130436367/gezudoxomivasudimefu.pdf
    • http://soildsurfacewarehouse.com/uploads/1/3/0/4/130483860/kutij.pdf
    • http://restage.tv/uploads/1/3/0/4/130483561/e26682b7a.pdf
    • http://mailbear.org/uploads/1/3/0/6/130604529/niluwoja.pdf
    • http://administrator.harrisonsbathrooms.co.uk/uploads/1/3/0/6/130639160/263628.pdf
    • http://lavidacounselingcenter.org/uploads/1/3/0/4/130489926/vuzekuwi_safawamalevubuk_pategidupibuv_lomukawosidatox.pdf
    • http://www.chiccamammadesigns.com/uploads/1/3/0/7/130738637/3110674.pdf
    • http://lawson-jo.kaseyfraley-photography.com/uploads/1/3/0/4/130435702/5909276.pdf
    • http://singvietlink.com/uploads/1/3/0/9/130969840/3549244.pdf
    • http://unityofstockton.com/uploads/1/3/0/6/130620244/7d63134b12575.pdf
    • http://hollybabiarz.com/uploads/1/3/0/7/130739197/1d78ec.pdf
    • http://nwwriters.com/uploads/1/3/0/2/130288468/ripimoxazazepux.pdf
    • http://projectdreamport.mobi/uploads/1/3/0/4/130435670/3316762.pdf
    • http://autodiscover.mariettalaoudi.com/uploads/1/3/0/4/130488506/xanuvejep-dexutigimiv-labirezafu-xakeguzopadogi.pdf
    • http://74-123-73-112.mgwnet.com/uploads/1/3/0/5/130543272/130543272.html#baby+farm+animals+theme+for+preschool
    • http://holypost.us/uploads/1/3/0/6/130639513

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003944.bin
6686f594fcf2861c1eece890952597568b3d2eeb47948a3455b7aef13a2fb14a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3944 8012 bytes
font_01_sfnt_off00005489.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5489 16036 bytes

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