Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c7028fa94911783…

MALICIOUS

PDF

31.7 KB Created: 2020-03-27 10:28:32 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 87cf6f3532d53374d044a28ec4f94b9c SHA-1: 068f17f1e35e3237f2c7bf0a08f5913c38b80256 SHA-256: 1c7028fa949117831b42b2a0cc9cc07c967ce4828a92b7ff34b095a0df5e0b33
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body text, though partially corrupted, also contains URLs. These links likely serve to direct users to potentially malicious websites, possibly for SEO spam or to host further malware. 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://moodlabnewlife.nl/uploads/1/3/0/7/130775557/130775557.html#protocolo+nacional+de+primer+respondiente+actualizado+2019+word
    • http://www.teachermelyssavipkid.com/uploads/1/3/1/1/131164569/9c97d99cc.pdf
    • http://dawpropertiesllc.com/uploads/1/3/0/5/130540366/kototugenujuzumod.pdf
    • http://rachelminnery.com/uploads/1/3/0/8/130874541/xekifadi-dalimunawobugal.pdf
    • http://hometohomeseniorcare.com/uploads/1/3/0/2/130289510/xizukisevefajegarufe.pdf
    • http://www.three7press.com/uploads/1/3/0/7/130740550/wemejowikagen-nuxoxu-parufirede-livuzutod.pdf
    • http://susiestreats.com/uploads/1/3/0/7/130739070/lofikotojexoki.pdf
    • http://www.michelapezza.com/uploads/1/3/0/2/130289421/newov.pdf
    • http://nightbluesystems.net/uploads/1/3/0/9/130969216/8844949.pdf
    • http://millermiller.info/uploads/1/3/0/4/130477003/2433918.pdf
    • http://thecloverboutique.com/uploads/1/3/0/4/130436389/39feb645491.pdf
    • http://www.lowcountryfishhouse.com/uploads/1/3/0/4/130483096/2453838.pdf
    • http://jamesferrismusic.com/uploads/1/3/0/8/130814633/4620936.pdf
    • http://www.thetravelgenies.co/uploads/1/3/0/7/130739893/55d16.pdf
    • http://choosesani.com/uploads/1/3/0/4/130483364/4409337.pdf
    • http://525vanburen.com/uploads/1/3/0/6/130604537/47871587de15139.pdf
    • http://principlesofrealestatepractice.com/uploads/1/3/0/6/130605083/2577023.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_off000053d5.bin
88eb1a4b856b5b6e5b59c3cf8cfdd88ed51a4868ccd58232dbe376698b34d2bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53D5 7092 bytes

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