Malicious PDF — malware analysis report

Static analysis result for SHA-256 360e91a71484edcf…

MALICIOUS

PDF

36.8 KB Created: 2020-05-13 06:40:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7738c39ea6fd5da41a3576fc6b0f3a7b SHA-1: 713241aafc33ce93cadb73176a17247e7a53c9e8 SHA-256: 360e91a71484edcff4fbaf982b60ca4a7f47bfe29da827a2e64a77f7840fb109
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains, suggesting a link farm designed to manipulate search engine results or host malicious content. The document body, though heavily obfuscated, contains text related to 'Audio song app tamil' and references the wkhtmltopdf tool, indicating a potential lure for users seeking such applications. The presence of a visual download button further supports a deceptive social engineering tactic.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://mindforyou.org/uploads/1/3/0/5/130539697/130539697.html#audio+song++app+tamil
    • http://durandacademy.com/uploads/1/3/1/4/131405956/lisere-wefazam-nemuten-movalezekofow.pdf
    • http://frhallfabrications.com/uploads/1/3/0/4/130475881/9251214.pdf
    • http://enimainternational.com/uploads/1/3/0/5/130551399/totozaxutifok.pdf
    • http://celebrityboardnwalk.com/uploads/1/3/1/3/131384260/kosimepegiwefulapik.pdf
    • http://matecocorp.com/uploads/1/3/1/3/131398288/7a5983f16d6d.pdf
    • http://cameronstish.com/uploads/1/3/0/4/130489172/fofogezamixutoj.pdf
    • http://realestateequityinvestor.com/uploads/1/3/0/3/130379474/c995552297c.pdf
    • http://cheshirebespokedesigns.com/uploads/1/3/0/3/130312926/9015646.pdf
    • http://landsurveyorsgreybruce.com/uploads/1/3/0/4/130436136/c4625433.pdf
    • http://beautifulyoukatiealtobelli.com/uploads/1/3/1/6/131637194/9686243.pdf
    • http://mgg-management.com/uploads/1/3/1/3/131378970/gomuzebukozube.pdf
    • http://akintheatre.com/uploads/1/3/0/3/130379204/5141817.pdf
    • http://leannu.com/uploads/1/3/0/6/130604525/5833364.pdf
    • http://thestemcell.org/uploads/1/3/0/6/130620590/judubex_sajaf_suvej.pdf
    • http://restorationsolutions.biz/uploads/1/3/0/7/130738578/jurowi-penibobimatotuk-sijujetat.pdf
    • http://rspanntherapy.com/uploads/1/3/1/6/131636980/c6fe20c.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_off0000633f.bin
790239cb8df1f7794fa716094ccc0d37b820045b9d8125471984e03a04611f74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x633F 10640 bytes

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