Malicious PDF — malware analysis report

Static analysis result for SHA-256 526e4ecc656884d3…

MALICIOUS

PDF

41.2 KB Created: 2020-05-26 00:02:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: febfc98bbe590918af60f7ff2705ac1f SHA-1: 2282b16ca3029cb766ad901b55378c3af70abaff SHA-256: 526e4ecc656884d314bb22997743839085752644de236c31eb82847394a96b31
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are hosted on unrelated domains and appear to be part of a link farm. The document body text mentions 'Ecomstation 2.2 iso download', suggesting a lure to trick users into clicking these links. The primary heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent to distribute content or redirect users through a large number of external URLs. 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://magnoliavacations.voyagerwebsites.com/uploads/1/3/0/7/130776558/130776558.html#ecomstation+2.+2+iso+download
    • http://mta-sts.mail.iridescentideas.com/uploads/1/3/0/3/130312937/4546573.pdf
    • http://silvanagoldemberg.com/uploads/1/3/0/8/130814106/nomib.pdf
    • http://rabbijayski.com/uploads/1/3/1/8/131871710/544e091ddb.pdf
    • http://bastaldi.com/uploads/1/3/1/6/131637257/zozez.pdf
    • http://nancywoodwardart.net/uploads/1/3/0/8/130874316/1678881.pdf
    • http://onecrazyraven.com/uploads/1/3/0/5/130551125/bakelup.pdf
    • http://justingaray.com/uploads/1/3/0/4/130476471/vanipolenetu_xiwatufad.pdf
    • http://jcleskoasueportfolio.com/uploads/1/3/0/9/130969525/2231719.pdf
    • http://autodiscover.fissurecharlevoix.com/uploads/1/3/0/8/130873736/832a12fd9.pdf
    • http://justaddpiccolo.org/uploads/1/3/0/2/130288684/bc639c3d.pdf
    • http://a-guide-inlife.info/uploads/1/3/0/6/130603929/kesoxogu-gozobutapir-nasimaxak.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_off000074e7.bin
57ea7c30ebad0e5391d9c9c83cc748ca44b1196a249def00c5ae418adcace089		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74E7 10776 bytes

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