Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d7c815af4e69f24…

MALICIOUS

PDF

112.0 KB Created: 2020-03-29 09:19:30 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4143ff0c05d1e9b8b96eb5715ca044cd SHA-1: d464a96e36def0c1a7838b6720542305f21764bd SHA-256: 1d7c815af4e69f24acacd6b19af9522b96a2d225842b42a51dce6aea25398d88
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or distribution network. The embedded URL also directs to an external HTML file. The primary purpose appears to be to redirect users to a multitude of other resources, potentially for SEO manipulation or to serve as a distribution point for further malicious content.

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://www.xmo1.com/uploads/1/3/0/6/130604133/130604133.html#american+dad+cast+roger
    • http://xterminatorsetc.com/uploads/1/3/0/4/130435578/ponesel_jisugis_zupubufux.pdf
    • http://acupofhudsontea.com/uploads/1/3/0/4/130483299/nemesorimiwabugol.pdf
    • http://mindbodymend.com.au/uploads/1/3/0/3/130323596/b15251d8c0.pdf
    • http://myspartansaver.com/uploads/1/3/0/5/130547771/liwuludofikobato.pdf
    • http://parisapartment4u.com/uploads/1/3/0/2/130272389/wariwulusobi-wemanofi-jevakonuxapikat-banikevawu.pdf
    • http://center64.com/uploads/1/3/0/2/130273740/riletuzin.pdf
    • http://jamesradack.net/uploads/1/3/0/6/130640145/vefexarusot.pdf
    • http://theselvakids.com/uploads/1/3/0/5/130590532/4641455.pdf
    • http://www.sacred-grounds.com/uploads/1/3/0/7/130775626/1750e50eb5b3d.pdf
    • http://fiddlestikscreativemarket.com/uploads/1/3/0/5/130539757/8405564.pdf
    • http://wennbergcontracting.com/uploads/1/3/0/4/130435712/488541.pdf
    • http://wa.steel-line.com.au/uploads/1/3/0/7/130738591/nixiromuzinile.pdf
    • http://warreadyfitness.com/uploads/1/3/0/7/130739876/8166028.pdf
    • http://picacookie.com/uploads/1/3/0/5/130543092/4894af10.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
stream_008_off00019e4d.bin
fdbcc9f943573dfe27c32dd5c1b15019edd5ed3af5ff71b9f42045f972369af6		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x19E4D 5568 bytes
font_00_sfnt_off000179d0.bin
27548e30866775ea8aaa922561790342fa3bc6bf40b3e32b9fe0de2e7385af9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x179D0 10708 bytes

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