Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a117b2a02183f3…

MALICIOUS

PDF

38.4 KB Authoring application: Inkscape
MD5: 1873364d922126239506ffacec2e61e3 SHA-1: 9c552d9ff8f07c52827d2d4c0f7ea0e1448ef30e SHA-256: c2a117b2a02183f39f4435a987edd858fd730f1de975dd02c0370970169e56c1
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically related to phishing. The embedded URLs are likely used to redirect users to malicious content or phishing pages. No scripts were extracted from this sample.

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://chivoremerald.org/uploads/1/3/0/5/130541944/2490711.pdf
    • http://kobeetech.com/uploads/1/3/0/2/130289789/3876433.pdf
    • http://speerinteractive.com/uploads/1/3/0/4/130477351/005d5.pdf
    • http://yourstrulyerikab.com/uploads/1/3/0/3/130379058/64e1a.pdf
    • http://geotourism.us/uploads/1/3/0/4/130483350/d45046729ffb3.pdf
    • http://northparkestatesfinancing.com/uploads/1/3/0/8/130815009/bobitateru-lesifajowaxosu-lekikeduj-fabupedew.pdf
    • http://alektoinc.com/uploads/1/3/0/5/130545011/fenusivon_wazapiwudeves_zimatuj_wuvamexisudop.pdf
    • http://pantsbysamstore.com/uploads/1/3/0/5/130546971/xudemikovisem.pdf
    • http://techlaunchers.com/uploads/1/3/0/5/130588966/7beb1a1bf88a0.pdf
    • http://mooga.us/uploads/1/3/0/5/130550787/jinavofuvovipi.pdf
    • http://aact.us/uploads/1/3/0/8/130873758/27a405e75b.pdf
    • http://northshoreengineeringny.com/uploads/1/3/0/6/130639590/6804d3.pdf
    • http://urdentistpvr.com/uploads/1/3/0/7/130740265/gisorezokuriwul.pdf
    • http://consplayers.com/uploads/1/3/0/2/130273803/6893028.pdf
    • http://consulatcotedivoire.com/uploads/1/3/0/5/130589223/pokefufolipujar.pdf
    • http://shaanlashun.com/uploads/1/3/0/5/130539728/papov-tusazeto-xajewobisazube-moligetexejexis.pdf
    • http://amanda-mccall.com/uploads/1/3/0/7/130775491/masum.pdf
    • http://www.feathandkee.com/uploads/1/3/0/6/130605071/ee93caf5.pdf
    • http://dream-job.site/uploads/1/3/0/5/130543207/xifisesepupirur_nipovitujoweze.pdf
    • http://bigbrightearth.com/uploads/1/3/0/6/130639017/nijufuwutafulako.pdf
    • http://somethingaboutmommy.com/uploads/1/3/0/4/130435582/komopupamaze_semup.pdf
    • http://74-123-73-134.mgwnet.com/uploads/1/3/0/8/130813829/130813829.html#should+i+stretch+after+leg+workout
    • http://urdentistpvr.com/uploads/1/3/0/7/130740265/giso

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003674.bin
3743593332aafd652a17c270661a40782b0be626fd0f8126d7ffe3d3525fa913
pdf-font-stream PDF embedded font (sfnt) at offset 0x3674 7528 bytes