Malicious PDF — malware analysis report

Static analysis result for SHA-256 8386b5739c5bcb65…

MALICIOUS

PDF

35.5 KB Created: 2020-03-29 08:52:48 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 697ea81f626858fbc4300089c648f332 SHA-1: e97453cd84a30ed29aa47a63a67ea8bcce1c91ed SHA-256: 8386b5739c5bcb65cbc75fcdcf3d9e53318d01486c2259576205a0f318ca4cf5
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body itself is heavily obfuscated and contains some of the URLs, indicating a potential lure or redirection mechanism. 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://theelfbox.com/uploads/1/3/0/5/130590008/130590008.html#notacion+cientifica+pdf+2+eso
    • http://www.asminhasmudancas.com/uploads/1/3/0/4/130483772/fesusilit.pdf
    • http://oneofakindbeauty.com/uploads/1/3/0/2/130288562/korem-suwifozekirepex-kexezedemoj-siwewulokedopo.pdf
    • http://eliteleadsource.com/uploads/1/3/0/7/130775389/daravaz.pdf
    • http://elysiumpastures.com/uploads/1/3/0/6/130640183/lovibulo.pdf
    • http://crownfirearms.com/uploads/1/3/0/7/130739346/6697ca9.pdf
    • http://vietthy.com/uploads/1/3/0/4/130476120/f93d997.pdf
    • http://webdisk.rentholycity.madesimplydev.com/uploads/1/3/0/9/130969987/gikaxivuzetufetajoko.pdf
    • http://petcarefxbg.com/uploads/1/3/0/4/130476684/datovanetarotekeza.pdf
    • http://decibel-doo.com/uploads/1/3/0/6/130605270/3795866.pdf
    • http://wrobelinrealestate.com/uploads/1/3/0/8/130815213/jesifalopadep_lupimeva.pdf
    • http://spencer4orem.com/uploads/1/3/0/3/130324158/totadebuselaki_saravorepelu.pdf
    • http://javieracortesmonroy.com/uploads/1/3/0/3/130379132/dajodewi-rimebapema.pdf
    • http://kernersvillerentalhomes.com/uploads/1/3/0/4/130489066/kenopeludo.pdf
    • http://kohicorgi.com/uploads/1/3/0/6/130604110/b78be9b04.pdf
    • http://agilebreeding.com/uploads/1/3/0/8/130814205/wuvizeratajijapaw.pdf
    • http://mercadopole.com/uploads/1/3/0/7/130775310/12b9994997.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_off000060a5.bin
75016ed4cc68de13975c26b34fa67db723f722886babdb09390beeee326c3ef7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A5 8352 bytes

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