Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3c87da314b25729…

MALICIOUS

PDF

41.1 KB Authoring application: ImageMagick
MD5: d3370035204bdb9fc82d02efafd98064 SHA-1: 6fd92ecedb8589355acb6d7718c43e78ec108e09 SHA-256: b3c87da314b25729802d4ef5093463bfb7cc92ab717a8d4bccfd15d794eef832
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files across various domains, indicating a link farm or distribution network. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly suggest malicious intent, likely related to phishing or traffic redirection. No scripts were extracted, but the sheer volume of external links is the primary indicator of malicious activity.

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://vehicleloanusa.com/uploads/1/3/0/5/130590710/3300008.pdf
    • http://lucette-bijoux.fr/uploads/1/3/0/8/130814407/3474697.pdf
    • http://etchedkc.com/uploads/1/3/0/5/130551325/26ae9df05a4.pdf
    • http://oreshioreshi.com/uploads/1/3/0/6/130621163/6882708.pdf
    • http://mommasinamood.com/uploads/1/3/0/6/130604497/4208152.pdf
    • http://oleafloral.com/uploads/1/3/0/4/130477372/jetujekoxifituj.pdf
    • http://gazelleleadership.net/uploads/1/3/0/2/130270826/a4c6ab.pdf
    • http://csvpublications.com/uploads/1/3/0/6/130639417/bc472939.pdf
    • http://mc-kj.co/uploads/1/3/0/9/130969150/tugilu-sigepe-vizixe-gogetexanonoruv.pdf
    • http://cpanel.jackbeantea.com/uploads/1/3/0/7/130775156/dutegazimilo_sajikogugixe.pdf
    • http://agnesmovie.com/uploads/1/3/0/5/130589396/woguxukafov-dujagubosug-tekuxifur.pdf
    • http://pop-mall.com/uploads/1/3/0/5/130539783/dd3dd.pdf
    • http://engbets.com/uploads/1/3/0/6/130605069/balewi.pdf
    • http://peterclaytonwriter.com/uploads/1/3/0/4/130488470/lizogapoguraj_ziwomolaxade_jibiruwakidor_zodebilalajijej.pdf
    • http://kubbsjewelryandfashion.com/uploads/1/3/0/5/130540869/6236433.pdf
    • http://mta-sts.mxe.feedingmyohana.com/uploads/1/3/0/3/130379959/wefilonor_wopolavupe_xodowuranajona.pdf
    • http://designartnz.com/uploads/1/3/0/2/130272362/6058687.pdf
    • http://0205monshop.host/uploads/1/3/0/2/130270914/xarudadetulepal_gabadexuxasi.pdf
    • http://rochecenter.org/uploads/1/3/0/5/130539265/130539265.html#bronfenbrenner%27s+ecological+framework+for+human+development
    • http://lucette-bijoux.fr/uploads/1/3/0/8/1308

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000040e0.bin
be11db57b101b1b2effcfd4a5c6b735c7ad7e138acaa5f2afaa89d90c11c5572		 pdf-font-stream PDF embedded font (sfnt) at offset 0x40E0 8704 bytes

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