Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e7257fe88e26e25…

MALICIOUS

PDF

37.7 KB Created: 2020-03-13 06:25:38 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fd8bb6f87f4060cae087e16f13b9dc1 SHA-1: ce4a49c0e3ad0cb5b1d23ce4156fe2f2c6aaac67 SHA-256: 2e7257fe88e26e25fe0823508269d56e54155a0ef6c9a666626014409bc26199
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO manipulation tactic. The document body, though partially corrupted, contains references to 'Indiabix verbal classification' and URLs that lead to similarly structured PDF files on various domains. This indicates a likely attempt to drive traffic to these external sites, potentially for malicious purposes such as phishing or distributing further malware.

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://c0171196xstreamtravel.xsideas.com/uploads/1/3/0/6/130604836/130604836.html#indiabix+verbal+classification
    • http://ladiffproprete.net/uploads/1/3/0/6/130604180/b26bd53.pdf
    • http://mousepicked.com/uploads/1/3/0/7/130739614/8780647.pdf
    • http://my-golu.com/uploads/1/3/0/6/130620828/mewedalisad-mafizowofokibo.pdf
    • http://www.bookingdavdav.dk/uploads/1/3/0/6/130604182/tedagebupurubiwini.pdf
    • http://theorionballroom.com/uploads/1/3/0/8/130874272/kusimeziwegopobuve.pdf
    • http://whimmerystudios.com/uploads/1/3/0/7/130775927/mizetarux-xekaxowide.pdf
    • http://buypotdomain.com/uploads/1/3/0/5/130539516/gunevefanas-zupugozak.pdf
    • http://cambridgepainters.ca/uploads/1/3/0/2/130288392/328680.pdf
    • http://goldenagehotel.com.tw/uploads/1/3/0/8/130814303/1dd2c7.pdf
    • http://artekcm.com/uploads/1/3/0/5/130543054/7731965.pdf
    • http://kathleenmartens.com/uploads/1/3/0/7/130740566/tovalurazadobik_banasiwi_vubimoviraso.pdf
    • http://lawineguide.com/uploads/1/3/0/7/130738848/39caa9ccdc0.pdf
    • http://admin.davidwestphotography.net/uploads/1/3/0/4/130476047/9138769.pdf
    • http://spayedkoolie.com/uploads/1/3/0/6/130620833/lasorepa.pdf
    • http://trinhannguyen.com/uploads/1/3/0/2/130271157/jizodazozelup.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_off00006b74.bin
c5631aa9d3af0489f42833faee8673d261670e908ee53a3ecbfe4e19c3383986		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B74 7864 bytes

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