Malicious PDF — malware analysis report

Static analysis result for SHA-256 89d25a5d35e0750b…

MALICIOUS

PDF

43.0 KB Created: 2020-03-07 14:15:57 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8a50e55cad7e46996613abc2e6d9fd4f SHA-1: 25b0dcfe69a9a4b4edfbb390ca073fea4c107e17 SHA-256: 89d25a5d35e0750b76d800e623595fe0322c81771367738a907764607e5c5839
70 Risk Score

Malware Insights

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

The PDF contains numerous external links, forming a link farm, and includes a "download" call-to-action. This suggests a social engineering tactic to lure users to malicious or spam content. The primary heuristic indicates a PDF SEO link farm, with a specific URL pointing to a potentially malicious HTML file. No scripts were extracted from this sample.

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://74-123-73-116.mgwnet.com/uploads/1/3/0/5/130588240/130588240.html#henry+cornelius+agrippa+three+books+of+occult+philosophy
    • http://www.bnppriskrfp-capgemini.com/uploads/1/3/0/7/130739430/8434172.pdf
    • http://www.kaitlynmercer.com/uploads/1/3/0/5/130588658/pixetamivepo.pdf
    • http://noccassoc.org/uploads/1/3/0/7/130739112/d9ee99cd.pdf
    • http://the-smith-family.rominastiebenphotography.com/uploads/1/3/0/5/130551059/mafujajewa-xekipel-xupuvomufo-puxesakevuw.pdf
    • http://southof23.com.au/uploads/1/3/0/6/130604378/2457590.pdf
    • http://liberateconference.com/uploads/1/3/0/7/130776864/jovuzametogujot.pdf
    • http://mta-sts.elegantproductionevents.com/uploads/1/3/0/7/130740087/6455428.pdf
    • http://peggyjoyceruth.net/uploads/1/3/0/6/130639578/38ac5b0.pdf
    • http://update8020.com/uploads/1/3/0/6/130639197/sazogoroseled.pdf
    • http://precisionskitune.com/uploads/1/3/0/7/130739640/6959589.pdf
    • http://www.kkmealprep.com/uploads/1/3/0/4/130488195/7275075.pdf
    • http://mathprnt.net/uploads/1/3/0/5/130545173/8415295.pdf
    • http://rpptl.com/uploads/1/3/0/5/130588457/getuvexokiv-womow.pdf
    • http://jayballad.com/uploads/1/3/0/7/130776821/2990694.pdf
    • http://optiki.bg/uploads/1/3/0/5/130543029/dufowowibu-zawetomatovigif.pdf
    • http://erinfeng.com/uploads/1/3/0/2/130289784/naxivutur-nilugi.pdf
    • http://smartestbusinessmodel.com/uploads/1/3/0/5/130544063/3644315.pdf
    • http://www.zenyamassage.com/uploads/1/3/0/6/130620314/xilojarixoralur.pdf
    • http://hsearchsolutions.com/uploads/1/3/0/3/130323959/4c74a3255825c88.pdf
    • http://chicago-wings.com/uploads/1/3/0/5/130540286/sapujakutaj.pdf
    • http://lactationlullaby.com/uploads/1/3/0/7/130776889/mapiloruvewapunav.pdf
    • http://angelschic.com/uploads/1/3/0/4/130476273/e403f2729d97bd.pdf
    • http://promisepublication.com/uploads/1/3/0/5/130589286/janafilogu.pdf
    • http://kuponyaarts.com/uploads/1/3/0/4/130476784/4802694.pdf
    • http://kuponyaart
    • 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_off00007f9c.bin
fc830d7e466491c69fab9105d80ae02e18cf719d3685c0c4988e089e102a64be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F9C 7764 bytes

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