Malicious PDF — malware analysis report

Static analysis result for SHA-256 32b8afee3a82b027…

MALICIOUS

PDF

53.6 KB Created: 2020-05-24 11:33:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 57319210e3efab2706e337b16bafaf1a SHA-1: 86db3a3ae7e2656348238446538eb40c2e6581f4 SHA-256: 32b8afee3a82b027fbe8eb17030165e144ecbc79d4f789abdadfd670a7f9e7f6
62 Risk Score

Malware Insights

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

The PDF document 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' specifically flags this behavior, indicating a mass of external PDF links. The document body, though partially corrupted, contains a reference to 'ffxiv rdm leveling guide', suggesting a lure to attract users interested in gaming content. No scripts were extracted from this sample.

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://lists.accordionapocalypse.com/uploads/1/3/0/2/130272804/130272804.html#ffxiv+rdm+leveling+guide
    • http://999-podarok.site/uploads/1/3/0/5/130589020/9e8cc57.pdf
    • http://whirlpoolservicecenter.net/uploads/1/3/0/5/130589223/8c00348ae897b2b.pdf
    • http://qtbootiestrap.com/uploads/1/3/0/7/130776183/923d261c087ec2.pdf
    • http://38.undesirable.us/uploads/1/3/1/1/131164168/c5627750d9.pdf
    • http://liprivatetutoring.com/uploads/1/3/1/3/131379401/07ced.pdf
    • http://pamperedtoperfection.co.uk/uploads/1/3/0/6/130604833/kudujafasexovuwenuz.pdf
    • http://dallasstaging.com/uploads/1/3/0/7/130776589/kalofafuzixexo_sezijetoza.pdf
    • http://longhorncaverns.org/uploads/1/3/0/6/130605269/59e0354062.pdf
    • http://unitethevillage.org/uploads/1/3/1/8/131871602/a1d035b5.pdf
    • http://perennialfilms.org/uploads/1/3/1/3/131383609/zepuredo.pdf
    • http://honestinsgroup.com/uploads/1/3/0/2/130289669/7190210.pdf
    • http://didis.net/uploads/1/3/1/3/131383838/30cb3.pdf
    • http://wibtax.com/uploads/1/3/0/2/130289565/4862434.pdf
    • http://anchoredinrowayton.com/uploads/1/3/0/8/130874165/7550545.pdf
    • http://celonaconstructions.com.au/uploads/1/3/0/2/130271229/50b03.pdf
    • http://weeksforsale.com/uploads/1/3/0/3/130323764/5129648.pdf
    • http://caddycapdesigns.com/uploads/1/3/1/4/131407629/7733c9d0.pdf
    • http://banzaiwraps.com/uploads/1/3/0/6/130640146/xusatidikotofu.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_off00008f2f.bin
1d8eed35ea1b748918087a904c7cc9dc1327e0134084bf48bf248ed2d33010d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F2F 11140 bytes
font_01_sfnt_off0000b561.bin
31f54bf1b2a0bd5fcefce680aa7bc0ab7b2c48a0f9a6877104dd616c0c0a5462		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB561 16160 bytes

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