Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e3fbd9cb71e0e88…

MALICIOUS

PDF

45.3 KB Authoring application: ImageMagick
MD5: 7b29277fd08386a3ffecf297a8f5e710 SHA-1: 30370efdf07b643a1d71287ab77e82bd5b831b82 SHA-256: 5e3fbd9cb71e0e88f16cbdadad0a5f7897a169b28c847dfe851c52fb7e2e2309
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files hosted on various domains, indicating a link farm or distribution mechanism. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and ML classification strongly suggests maliciousness. The embedded URLs are likely used to redirect users or serve further malicious content, potentially related to phishing or SEO abuse.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://raahulramakrishnan.com/uploads/1/3/0/4/130476712/modig.pdf
    • http://sunnystats.com/uploads/1/3/0/5/130589186/lomavesedomeka.pdf
    • http://simplymarvelouslife.com/uploads/1/3/0/3/130379770/vopixupozoboma-sazunufoxigo.pdf
    • http://pressplaycommunications.net/uploads/1/3/0/5/130588723/zewujetanano.pdf
    • http://oldtymehockeyleague.com/uploads/1/3/0/4/130491001/watopawujagu.pdf
    • http://artisanmadegemstones.com/uploads/1/3/0/2/130289340/wavaputodotas.pdf
    • http://www.sarahtychsen.com/uploads/1/3/0/6/130621094/273546c01.pdf
    • http://hoffnagledesign.com/uploads/1/3/0/5/130540609/6632065.pdf
    • http://swormbat.net/uploads/1/3/0/7/130775652/tubumeme.pdf
    • http://www.vixenacademyofhouston.shop/uploads/1/3/0/5/130589122/xabufuzusutur-mupokoxapuporaw.pdf
    • http://mail.heerlijkharen.nl/uploads/1/3/0/6/130620555/4746e13245fe.pdf
    • http://autodiscover.jagst.org/uploads/1/3/0/4/130488669/c5b433a9.pdf
    • http://bnichicago.org/uploads/1/3/0/6/130639259/tupof-vonuwadaxowi-vajowovifite-lojexewi.pdf
    • http://maltesepoolandspas.com/uploads/1/3/0/3/130313053/9097453.pdf
    • http://makingmusicmodular.com/uploads/1/3/0/5/130588159/dexuwudepoguw-rumilobemilebi-goxelelijivi.pdf
    • http://cronny.net/uploads/1/3/0/2/130273610/255033.pdf
    • http://suatborazan.net/uploads/1/3/0/4/130483389/zibata_jubetobik.pdf
    • http://barromexglobal.com/uploads/1/3/0/8/130814286/noxudut.pdf
    • http://prettysimpleorganizing.net/uploads/1/3/0/4/130476506/5969951.pdf
    • http://mta-sts.redlineinstallers.com/uploads/1/3/0/5/130551714/0776fab4f4.pdf
    • http://www.kathrynhearddesign.com/uploads/1/3/0/7/130775653/130775653.html#resign+letter+for+job+change
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003851.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3851 16036 bytes
font_01_sfnt_off00004fae.bin
8aed7f357fe091a78edd2cef0acb82d3e3f1e327a35b886386a4cab3bf6a7fa5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FAE 8448 bytes

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