Malicious PDF — malware analysis report

Static analysis result for SHA-256 d63f33023ce82e7c…

MALICIOUS

PDF

41.4 KB Created: 2020-04-01 23:42:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5242ac9a7be8fc50dde78bbd821162c9 SHA-1: d247a254c403d25320071731bfd7e6475435f138 SHA-256: d63f33023ce82e7c87c2c4fe6a4cb93a4f3de8e83f20e8887d15202499820c7b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to manipulate search engine results or distribute further malware. The document body contains garbled text and what appears to be metadata, but the primary malicious activity is driven by the embedded URLs.

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://sexpositiveboston.club/uploads/1/3/0/5/130539225/130539225.html#produce+101+temporada+1+sub+espa%C3%B1ol
    • http://charysewilliams.com/uploads/1/3/0/8/130874065/zipifudizud-kiwenugax.pdf
    • http://kimmerconsulting.com/uploads/1/3/0/5/130588728/9819336.pdf
    • http://usvmctn.com/uploads/1/3/1/1/131163690/konananisoziviwi.pdf
    • http://tacomameditationcenter.com/uploads/1/3/0/5/130544751/dexirawes.pdf
    • http://kwokjiachuan.com/uploads/1/3/0/6/130603783/zenuvifewasom-nabilinepe-sanurobow.pdf
    • http://3rdi-strategies.com/uploads/1/3/0/2/130271205/6699655.pdf
    • http://buybitcoineasily.online/uploads/1/3/0/5/130588685/ropodozuket.pdf
    • http://hygienixtextiles.com/uploads/1/3/0/5/130589320/02c6f1263a.pdf
    • http://sulphurworld.com/uploads/1/3/0/6/130640178/niweboduwikurat_jisimisi_wirez.pdf
    • http://sparklentwist.shop/uploads/1/3/0/4/130479171/xobisuzepuloti.pdf
    • http://salesfunnelshop.com/uploads/1/3/0/4/130478470/juseluw_riluxididonu_nizokuxupumino_patijuwafexit.pdf
    • http://coniymartin.com/uploads/1/3/0/4/130476816/3292614.pdf
    • http://christopherkhay.com/uploads/1/3/0/5/130589429/a2aea.pdf
    • http://comportawear.com/uploads/1/3/0/6/130639765/lojudiro_maxugaxibafuse_zojomo_tukolomakid.pdf
    • http://millersisters.net/uploads/1/3/0/2/130288893/38d97d0abc81.pdf
    • http://mona-qatar.com/uploads/1/3/0/9/130969391/jasumo.pdf
    • http://xycomb.com/uploads/1/3/0/7/130775768/redejuvazekijoda.pdf
    • http://lllanimaljusticeleague.com/uploads/1/3/0/6/130639203/e907e6.pdf
    • http://usaerofilms.com/uploads/1/3/0/7/130739213/887cbcf19bc078.pdf
    • http://ardenhillssda.org/uploads/1/3/0/7/130739238/fopubunususode.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000624a.bin
b87b58d6971fa2120dae416eaf73b1adee5a7279a0118af80b760d6e16e9dc7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x624A 8356 bytes
font_01_sfnt_off000080e7.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80E7 16036 bytes

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