Malicious PDF — malware analysis report

Static analysis result for SHA-256 26d456fdbd0e1b78…

MALICIOUS

PDF

47.1 KB Created: 2020-04-04 11:41:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 54efaa8eb019c201610706a0943f0fb6 SHA-1: 2d51e5427db4501726787d0a3b5efa5fc766bdca SHA-256: 26d456fdbd0e1b788a75d902447c127c61f6e90d02cde42173047434c77cce25
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links likely serve as a link farm to distribute traffic to various malicious sites. The document body contains garbled text and what appears to be metadata, but the primary malicious activity is the mass of external URLs pointing to domains like ebssolarelectricandair.com and beyond-the-game.com.

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://ebssolarelectricandair.com/uploads/1/3/0/5/130551456/130551456.html#2004+yfz+450+oil+amount
    • http://beyond-the-game.com/uploads/1/3/0/8/130874253/ff85cac6ba31ac.pdf
    • http://cloudshark360.net/uploads/1/3/1/4/131409508/mopozemap_dakurazage_jatewoxegori_tegategi.pdf
    • http://balveworkout.net/uploads/1/3/0/6/130604366/dovepesod.pdf
    • http://tgifvoter.org/uploads/1/3/0/4/130435985/dopuxe.pdf
    • http://brazilianimage.com/uploads/1/3/0/6/130604215/wipafidafinazefaw.pdf
    • http://olamaurace.com/uploads/1/3/0/6/130603744/majan.pdf
    • http://fiveforksawanatest.com/uploads/1/3/1/0/131070637/09e5657e8a157.pdf
    • http://kredihold.com/uploads/1/3/0/2/130271001/barolivemokenenuzuri.pdf
    • http://eventsinmower.com/uploads/1/3/0/4/130488396/belamebelevofesabufa.pdf
    • http://dartac.nl/uploads/1/3/0/8/130814680/4356263.pdf
    • http://bonnerfund.net/uploads/1/3/0/6/130604213/nivapozuj-pazedev.pdf
    • http://drbozner.net/uploads/1/3/0/6/130604887/b990f3f.pdf
    • http://apexsportswellness.com/uploads/1/3/0/5/130590682/tunamo_berewawen_sikatugilemotiw.pdf
    • http://centuryspringspark.com/uploads/1/3/0/8/130874197/mebaded.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_off0000762e.bin
96257b71fd1803488c8556903bae74704c14c678c138d22097e43e96a0c19dd5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x762E 9056 bytes
font_01_sfnt_off000098d0.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98D0 16036 bytes

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