Malicious PDF — malware analysis report

Static analysis result for SHA-256 9400d080a18131fb…

MALICIOUS

PDF

44.8 KB Created: 2020-04-03 00:12:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: bad888fe2ecd97647caca76f7729bba4 SHA-1: 460257d4039132cc0a7f7c97b13bd7fb63bb0ade SHA-256: 9400d080a18131fb334f9fff177658013e29c2edf87f357bebcc7c79e5b30d40
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links hosted on various domains, suggesting a coordinated effort to create a link farm. While no scripts were extracted, the presence of numerous unknown-reputation URLs points to a malicious intent to redirect users to potentially harmful sites.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://sweetestdreams.org/uploads/1/3/0/5/130588833/130588833.html#nfpa+1410+drills
    • http://1901ironworks.com/uploads/1/3/0/6/130639133/0bebeecd4e5d7e.pdf
    • http://westsidechapel.com/uploads/1/3/0/6/130605204/97fd57c8a.pdf
    • http://rhondaharrisbuckner.com/uploads/1/3/0/5/130550787/xipapeduxifo.pdf
    • http://brooklynfete.com/uploads/1/3/0/2/130272862/towogemaziju.pdf
    • http://wellnesstudiojadore.net/uploads/1/3/0/5/130550895/8406433.pdf
    • http://nglinc.net/uploads/1/3/0/6/130620668/nemunekana-banevikewow.pdf
    • http://ourlisbontours.com/uploads/1/3/0/4/130483577/04ecc0b721300.pdf
    • http://leahhackett.com/uploads/1/3/0/2/130289377/8584756.pdf
    • http://fencinghonolulu.com/uploads/1/3/0/5/130550982/5869330.pdf
    • http://michiganvisioncenter.com/uploads/1/3/1/4/131407977/pelefubisusifod.pdf
    • http://documentimagingschool.com/uploads/1/3/1/3/131383407/d6957a1ff810.pdf
    • http://shopprettyperfect.com/uploads/1/3/1/0/131070602/4739205.pdf
    • http://buenomiele.com/uploads/1/3/0/7/130738781/ce7e735c.pdf
    • http://adprotectplus.ch/uploads/1/3/0/8/130813651/eb51aaba4b.pdf
    • http://francescogibaldi.com/uploads/1/3/1/4/131456363/8195066.pdf
    • http://gabriellelottrogers.com/uploads/1/3/0/3/130312971/pebepezewapafa.pdf
    • http://terribeuthin.com/uploads/1/3/0/5/130545666/pikenegetirod_pelerur_futetol_tewet.pdf
    • http://warwickvalleytravel.com/uploads/1/3/0/8/130874261/5870123.pdf
    • http://athenswok.com/uploads/1/3/0/5/130543418/kowomezulukinaj.pdf
    • http://catholicseattle.org/uploads/1/3/1/3/131381166/571e8514bc.pdf
    • http://jmdesignllc.net/uploads/1/3/1/4/131407492/10d3ba8f.pdf
    • http://michellecmcadams.com/uploads/1/3/1/4/131453201/suforab-jometigeva-sevapase.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_off00006f16.bin
80e1e6444ee0ddf744deb4e6064173cb39a5a53dabb3a29d0aa51b1749ded3a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F16 8524 bytes
font_01_sfnt_off00008f82.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F82 16036 bytes

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