Malicious PDF — malware analysis report

Static analysis result for SHA-256 471ed4f7c661f816…

MALICIOUS

PDF

32.4 KB Created: 2020-06-05 14:45:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a917ecb083de58eee75cab8f43f38eef SHA-1: de59f42023346ef51d8156906b1a9e9b30a64e90 SHA-256: 471ed4f7c661f816feeb634c07b1ae6700d8ecf7e1ee7332c44636c540b523d6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are hosted on unrelated domains and appear to be part of a link farm designed to distribute malware. The document body mentions 'Minecraft indir team extreme 1.7.2', suggesting a lure to trick users into downloading potentially malicious files. The ML classifier strongly indicated maliciousness, supporting the assessment of a malware distribution attempt.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://ejze.studio/uploads/1/3/1/4/131406020/131406020.html#minecraft+indir+team+extreme+1.7.2
    • http://mx.dave-andreychuk.com/uploads/1/3/0/7/130775522/laxata_zexusekuwubo.pdf
    • http://divyaodontologia.com/uploads/1/3/0/2/130287914/madiwa.pdf
    • http://arevalohomedesign.com/uploads/1/3/0/5/130588605/fosinorodeb-zimivimidizaba.pdf
    • http://vanraaltewedding.com/uploads/1/3/0/6/130603988/gowavowafukogavelo.pdf
    • http://texastrainingsolutions.com/uploads/1/3/1/3/131379485/zoxovomujuvom.pdf
    • http://kreativekidsconsulting.com/uploads/1/3/0/2/130288380/d0fd695.pdf
    • http://agranddayout.co.uk/uploads/1/3/0/6/130605263/bozekofenukime.pdf
    • http://hostmaster.cvi.net.au/uploads/1/3/0/3/130379523/9761247.pdf
    • http://fitandflexystudios.com/uploads/1/3/0/5/130590482/7669523.pdf
    • http://webdisk.psicoterapiacrolle.it/uploads/1/3/0/6/130605244/9043020.pdf
    • http://atwatervillagepsychotherapy.com/uploads/1/3/0/3/130323774/xojipavoka_tisuwomegovezi_gokifureragiw.pdf
    • http://sellingincolor.com/uploads/1/3/0/5/130589229/2426981.pdf
    • http://coachchrismahan.net/uploads/1/3/0/3/130313063/ronurewuji.pdf
    • http://ejze.studio/uploads/1/3/1/4/131406020/terms.html
    • http://ejze.studio/uploads/1/3/1/4/131406020/dmca.html
    • http://ejze.studio/uploads/1/3/1/4/131406020/policy.html
    • https://boxagoboloj.files.wordpress.com/2020/06/musazutenivimasapifimi.pdf
    • https://bisogupawike.files.wordpress.com/2020/06/zokareju.pdf
    • https://pamilegimo.files.wordpress.com/2020/06/16340767119.pdf
    • https://xidiseso.files.wordpress.com/2020/06/parezatufosakapam.pdf
    • https://segemabo.files.wordpress.com/2020/06/38294061980.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000548a.bin
487696e10b5c09e531aa94df49350c596ceb89108f3780ffd2a449e740486e3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x548A 10016 bytes

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