Malicious PDF — malware analysis report

Static analysis result for SHA-256 8df50fd4a7fa32e3…

MALICIOUS

PDF

39.5 KB Created: 2020-03-31 03:06:26 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fd3a81dd5a4d262a7c88ea26b1a0ac7 SHA-1: 7a25cebb33e2f03cc902500dd59699c4d45ad289 SHA-256: 8df50fd4a7fa32e3fad5a71278725d84e37f60b3a7e093f22c4a1a2d281e272b
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 PDF files hosted on different domains, suggesting a link farm or distribution mechanism. The document body contains a mix of Spanish and English text, along with metadata indicating it was generated by wkhtmltopdf, which is often used to create PDFs from web content. 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://roadshowarchitects.com/uploads/1/3/0/7/130739632/130739632.html#2+ejemplos+de+mecanismos+simples
    • http://lavigedevelopmentgroup.com/uploads/1/3/0/8/130873849/3070590.pdf
    • http://familynola.com/uploads/1/3/0/4/130489297/835633e.pdf
    • http://schrijvenderwijs.org/uploads/1/3/0/6/130640181/zefanogad.pdf
    • http://goremotors.net/uploads/1/3/0/9/130969086/4532721.pdf
    • http://treesrollingpapers.com/uploads/1/3/0/5/130550683/4baba503828.pdf
    • http://artistpaletterestorations.com/uploads/1/3/0/5/130588927/jixakizuxexep.pdf
    • http://dragons4dragons.net/uploads/1/3/0/7/130776790/rugupelusilafexetonu.pdf
    • http://rightbrainu.com/uploads/1/3/0/3/130313093/47ca17b0bc1f.pdf
    • http://speakforthyself.com/uploads/1/3/0/6/130621665/1b40bbe9aa3b.pdf
    • http://movetospokane.net/uploads/1/3/0/3/130379769/74ece8.pdf
    • http://samantha-marsilla.com/uploads/1/3/0/6/130620985/1932a1c9742a10f.pdf
    • http://costpointsolutions.com/uploads/1/3/1/3/131378999/244d7dc4736.pdf
    • http://segaventures.com/uploads/1/3/0/6/130639714/5644035.pdf
    • http://hydrominer.net/uploads/1/3/1/4/131407370/wifibebugus_betijemokeg_sitopepe.pdf
    • http://saginawbaywatertrail.com/uploads/1/3/0/3/130379314/6042118.pdf
    • http://beauty-obsessed-and-blessed.com/uploads/1/3/0/6/130620756/6924312.pdf
    • http://abelandwright.com/uploads/1/3/1/3/131378960/9133e1a0daea.pdf
    • http://bob-tait.com/uploads/1/3/0/8/130813054/6443791.pdf
    • http://finanzschule.info/uploads/1/3/0/5/130588210/d378fae99f.pdf
    • http://mcferguson.com/uploads/1/3/0/4/130483354/65739.pdf
    • http://curioustechcreations.com/uploads/1/3/0/6/130621352/e2a4b0c1ce789e.pdf
    • http://pomonazoningupdate.org/uploads/1/3/0/5/130541208/tavopamubo.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_off00007347.bin
2c58bbb213fca3d0429f4ab83acbd9d0684ad89f657c387092fdd5601e1804cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7347 7952 bytes

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