Malicious PDF — malware analysis report

Static analysis result for SHA-256 45a61b425c2f9a8f…

MALICIOUS

PDF

38.5 KB Created: 2020-03-15 14:27:01 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 63db3bd1a80e517c2615b2b56cd51389 SHA-1: 05218a8b10bfd7ab46543ab6825ed711c686a641 SHA-256: 45a61b425c2f9a8f199b5804ad6f858d6b2278470630b16be0adb6bb443d72d9
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'Arcane legends hack android'. The primary attack pattern involves directing users to a network of external websites, likely for SEO manipulation or to serve further malicious 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://511.bpmtc.com/uploads/1/3/0/4/130478067/130478067.html#arcane+legends+hack+android
    • http://www.jbskeystodmd.org/uploads/1/3/0/4/130476575/d28402c6b61e7c5.pdf
    • http://patlakescc.net.au/uploads/1/3/0/6/130605059/e23d756d.pdf
    • http://iquiver.net/uploads/1/3/0/3/130323469/pakorejudunon.pdf
    • http://moretoexplore.co/uploads/1/3/0/2/130289682/gopoledaxaborivu.pdf
    • http://biideo.com/uploads/1/3/0/4/130478975/tefitelufovudeg_xejasexewu_famurigofolalom_kezojesar.pdf
    • http://movmentlab.com/uploads/1/3/0/6/130620410/3196969.pdf
    • http://pixelparkny.com/uploads/1/3/0/2/130287847/36fe16370a.pdf
    • http://mikesbarbershopnl.com/uploads/1/3/0/6/130620341/biravevitimesu-gaxuwadef-ramoxakej.pdf
    • http://zibc.net/uploads/1/3/0/8/130813738/5552458.pdf
    • http://clothing-designs-1.walnuthilldesignsllc.com/uploads/1/3/0/6/130620669/0636b3605d92c5d.pdf
    • http://autodiscover.amissionforjacob.com/uploads/1/3/0/5/130589098/tajugijujewotelut.pdf
    • http://45customguitars.com/uploads/1/3/0/2/130291589/ea2d423.pdf
    • http://www.thewindingsheetoutfit.org/uploads/1/3/0/5/130538863/927613.pdf
    • http://www.boziclawoffice.com/uploads/1/3/0/6/130621048/tarekosaxekugebew.pdf
    • http://www.ontheroadmxmedia.com/uploads/1/3/0/6/130621219/bufawi.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_off00006f10.bin
b5c77fd1539765a921945920ce3c410b7b28a4fb80a3cde45e2c3566b03cadcc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F10 7608 bytes

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