Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae04522e262c43a4…

MALICIOUS

PDF

52.5 KB Created: 2020-03-14 18:19:50 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 777bacde5664b9020d93246c93dab529 SHA-1: 2e4876dbf344dd49db0d1c40e9d9d907b9397223 SHA-256: ae04522e262c43a4225065710f248be64b302b2afcdf595ad7bc1264689b0011
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains references to these links, suggesting a deliberate attempt to direct users to a network of websites. The primary purpose appears to be SEO manipulation or hosting malicious content on these numerous domains.

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://host127.carmichaelnl.com/uploads/1/3/0/6/130621870/130621870.html#blank+hiragana+practice+sheets
    • http://www.corefithamburg.com/uploads/1/3/0/4/130489131/biwofafipuxawab.pdf
    • http://www.mckoinpower.com/uploads/1/3/0/5/130589128/6870405.pdf
    • http://mx.devilprints.com/uploads/1/3/0/9/130969421/f28f03.pdf
    • http://www.v-i.biz/uploads/1/3/0/6/130639764/nomaxode.pdf
    • http://relationshipsartcollection.com/uploads/1/3/0/6/130621928/8580779.pdf
    • http://erikabethmiller.com/uploads/1/3/0/6/130604289/c7552f95ca38d5.pdf
    • http://norwoodcavies.com/uploads/1/3/0/7/130738542/3c177814140e1a8.pdf
    • http://x64.net/uploads/1/3/0/6/130620949/5908817.pdf
    • http://dimeto.com/uploads/1/3/0/7/130776599/cc8f6.pdf
    • http://basestrengthconditioning.com/uploads/1/3/0/4/130476145/kepedalo-rijom.pdf
    • http://nastynotfound.com/uploads/1/3/0/7/130740163/3251280.pdf
    • http://projectinformationsolutions.com/uploads/1/3/0/4/130494059/rawaloditapax.pdf
    • http://www.rockymountainhighimages.com/uploads/1/3/0/7/130739669/fifera_zaradulaj_midefuzu.pdf
    • http://www.thesweetserendipity.com/uploads/1/3/0/7/130775554/8807878.pdf
    • http://petermcdonnellwriter.com/uploads/1/3/0/2/130289648/sevulanomewuze.pdf
    • http://paulrorie.com/uploads/1/3/0/5/130539875/6314037.pdf
    • http://partyrun.org/uploads/1/3/0/7/130776486/8868991.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_off0000883a.bin
ce069fa9860ef7e60bfc93332f6fca190b564ce35f44bc5ca4d2867da89506cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x883A 8292 bytes
font_01_sfnt_off0000a805.bin
05d365fffb13858e0dc6031bc49e0b8d0f0868eacc4a3520321c4a918bc19899		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA805 8752 bytes

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