Malicious PDF — malware analysis report

Static analysis result for SHA-256 524db4e9237b6e81…

MALICIOUS

PDF

41.3 KB Created: 2020-04-19 16:16:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 55dcbfdcb0e525cd3fd41d5f29c53891 SHA-1: 7641ad7eae65f20a98d7d0d57e854d08c71735f1 SHA-256: 524db4e9237b6e81edf446d2e0fe4cd94e57257cd8ee400c4fe9bc73076d85d2
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. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The embedded URL also points to a similar structure. 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://madnessflower.com/uploads/1/3/0/8/130874231/130874231.html#arverni+guide+rome+2
    • http://bhoomiface.com/uploads/1/3/1/4/131409822/4398380.pdf
    • http://miseenplace1101.com/uploads/1/3/1/4/131407398/426b8802f.pdf
    • http://lonerocknigerians.ca/uploads/1/3/0/2/130271234/6784547.pdf
    • http://anne-klein-personaltraining.com/uploads/1/3/0/9/130969976/fc12e300e0aa273.pdf
    • http://andreasdimitriou.com/uploads/1/3/1/4/131406281/nixomoxutololad.pdf
    • http://cmarkproductions.com/uploads/1/3/0/8/130815381/tedimawu_meforevel_xekiko.pdf
    • http://skspackaging.net/uploads/1/3/0/6/130639675/vijepejakuzadapuwuw.pdf
    • http://glammodo.com/uploads/1/3/1/4/131407057/pexepimuwaxip-nijemiwelibu-pozupa-tedisenevux.pdf
    • http://monkonmolokai.com/uploads/1/3/0/4/130490117/5938801.pdf
    • http://stanneandallsaints.org/uploads/1/3/0/5/130544823/kilurerabimofiwavamu.pdf
    • http://5gset.net/uploads/1/3/0/5/130588988/c014d0e2b3b.pdf
    • http://etomolagi.com/uploads/1/3/0/5/130590367/wotovubapigiluja.pdf
    • http://bearcatbfcsoccer.com/uploads/1/3/0/4/130435685/jirewinono_favemu_mumozul_wotetolaj.pdf
    • http://chrishhphotography.com/uploads/1/3/1/4/131437623/9250678.pdf
    • http://thepaintingpig.com/uploads/1/3/0/5/130551405/tatenijizezamagagu.pdf
    • http://andreasdimit
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007a18.bin
1c4e11d046bca96c3e0ef0c0658ab0be8fe8ed3eba9cf91022dbf60fa1a5b29c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A18 8124 bytes

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