Malicious PDF — malware analysis report

Static analysis result for SHA-256 880bdfb2c64a1aa8…

MALICIOUS

PDF

40.8 KB Created: 2020-03-24 12:50:43 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: cc289d85e825504973dd86958aa71e86 SHA-1: a923a1286000e9fd19512d86a57b783ba98aef6f SHA-256: 880bdfb2c64a1aa8f97e381b310d9afb07164704d8b831d69bfdbacc40125265
102 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF document contains a large number of external links, many of which point to PDF files hosted on various domains. The document body mentions 'Microsoft office 2013 professional product key list' and the heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to download a password-protected archive. This suggests a social engineering attack aimed at tricking users into downloading malicious content disguised as software keys or related documents.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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://medicaltranscription.ca/uploads/1/3/0/6/130621128/130621128.html#microsoft+office+2013+professional+product+key+list
    • http://securitycars.us/uploads/1/3/0/5/130588564/6644536.pdf
    • http://spotlessbydesign.com/uploads/1/3/0/2/130288394/6459242.pdf
    • http://fancypoppies.com/uploads/1/3/0/7/130739755/bizuz.pdf
    • http://googlys.net/uploads/1/3/0/7/130740073/6571621.pdf
    • http://firstamazon.com/uploads/1/3/0/4/130436519/kofapisiwa_ribun.pdf
    • http://phnchannel.com/uploads/1/3/0/6/130639051/3999696.pdf
    • http://claremontspeedway.net/uploads/1/3/0/9/130969509/tikeg.pdf
    • http://ceciliaserafini.it/uploads/1/3/0/7/130776818/fozukonobavuz.pdf
    • http://azardcounselingservices.com/uploads/1/3/0/6/130639517/tibaxaro-xozuvanaj.pdf
    • http://razzledesigns.com/uploads/1/3/0/8/130874179/wekut.pdf
    • http://premierbv.com/uploads/1/3/0/6/130620936/fotaboja.pdf
    • http://baratabertoldiasociados.com/uploads/1/3/0/6/130639325/2953885.pdf
    • http://northpoleabrasives.com/uploads/1/3/0/2/130289426/518c3cca24.pdf
    • http://nycelitehealth.com/uploads/1/3/0/3/130324357/06ba2.pdf
    • http://vapeaholicsonline.com/uploads/1/3/0/7/130739669/sezokorur.pdf
    • http://scattrbraind.com/uploads/1/3/0/8/130874394/zodano.pdf
    • http://texzenhomes.com/uploads/1/3/0/6/130621178/difed-taralerag.pdf
    • http://logoless.net/uploads/1/3/0/6/130603889/4b44e7adbf715b1.pdf
    • http://checkingoutinventories.com/uploads/1/3/0/8/130874009/017041b4f2e0.pdf
    • http://www.bwpoalandscapeworkorder.com/uploads/1/3/0/4/130436431/a4b8b9.pdf
    • http://samiraclecosmetics.com/uploads/1/3/0/4/130483647/sotorebe-rizenox-pexejasu.pdf
    • http://alexandracoury.com/uploads/1/3/0/7/130775308/7fbe55155e48.pdf
    • http://claritytaxconsulting.com/uploads/1/3/0/7/130775850/51284.pdf
    • http://blog.carbmanager.com/uploads/1/3/0/6/130604834/7798f8612.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_off000076bd.bin
f5b43400d66a6f9fd5496c6016b8878edccd57a50b452ac54560e87d14de56cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76BD 7756 bytes

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