Malicious PDF — malware analysis report

Static analysis result for SHA-256 d937e74db8c2d800…

MALICIOUS

PDF

40.6 KB Created: 2020-05-22 23:46:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c95f24e8a5a70227eaf9c547f1c2f09 SHA-1: 3821b04ad767e836638dd7b9d1fbdd06e86070e8 SHA-256: d937e74db8c2d800210de4e77eda93010d05aec488d345f80b39eda75aadeb60
62 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link farm or a distribution network. The document body, though partially corrupted, contains a URL that aligns with this finding. 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://noohnaugh.com/uploads/1/3/0/6/130620794/130620794.html#trajectoire+automobile+chavelot
    • http://kathrynmckirahan.com/uploads/1/3/0/7/130776649/8c2ebea8bce7.pdf
    • http://barrygjohnsonsr.com/uploads/1/3/0/6/130605331/rexalonavivar.pdf
    • http://zcconline.com/uploads/1/3/0/2/130289542/xilajedakek.pdf
    • http://mademoisellepublishing.com/uploads/1/3/0/2/130291658/7b9d3360f33ffc9.pdf
    • http://makebetteroffers.com/uploads/1/3/0/6/130639456/5467317.pdf
    • http://coitdesign.com/uploads/1/3/0/8/130874536/pasarowe.pdf
    • http://powerhouseoutreachministries.com/uploads/1/3/0/4/130435844/c42ac.pdf
    • http://quailbreeders.org/uploads/1/3/1/0/131071073/vavasefolurigizub.pdf
    • http://creativespiritsnewark.org/uploads/1/3/0/2/130289508/jajuvafivovanovukad.pdf
    • http://randygraf.org/uploads/1/3/1/4/131453595/salinuwo-mebafajosunolix-fitaw-kurisumetoj.pdf
    • http://ewelectrical.com/uploads/1/3/0/5/130543087/aae4c.pdf
    • http://atlantasuburbanliving.com/uploads/1/3/0/2/130291658/ledezuti-dumamoromuso-zifasimo-bonov.pdf
    • http://redemptionclean.com/uploads/1/3/1/3/131381531/melemiwid.pdf
    • http://adrianmusic.net/uploads/1/3/1/3/131384115/tabazavokite.pdf
    • http://jongrahamphoto.com/uploads/1/3/0/6/130603946/mobisosuwatoga.pdf
    • http://superiorautomi.com/uploads/1/3/1/0/131071066/fuxamos-gofejiziwekin-xojotu-xalogif.pdf
    • http://envisagefitness.com/uploads/1/3/1/0/131070131/wazepit-vavojaka.pdf
    • http://familyfarmandbakery.com/uploads/1/3/0/6/130622095/aa055573b031c49.pdf
    • http://discountinventory.ca/uploads/1/3/0/6/130639269/9381419.pdf
    • http://828fit.net/uploads/1/3/0/5/130588410/751249.pdf
    • http://maappn.org/uploads/1/3/0/9/130969748/gapogotuv.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006763.bin
b94af6f11700c7e6d604c433cab5c502862260fa3a3842e1d4522e1b15b62a2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6763 15156 bytes

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