Malicious PDF — malware analysis report

Static analysis result for SHA-256 884e9191bec147fb…

MALICIOUS

PDF

34.0 KB Created: 2020-06-05 21:50:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61a0af5e46aa990a2f22e091a792e6ad SHA-1: 114c396681db93480b036284c0bbf45803f8326f SHA-256: 884e9191bec147fb1e80490822c3771f1399aed4d598ee19ffb5e2a6fd4e25f7
62 Risk Score

Malware Insights

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

The PDF document 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 SEO poisoning tactic. The embedded URLs are likely used to lure victims into clicking and potentially downloading further malicious content or visiting phishing sites. 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://a1732944xstreamtravel.xsideas.com/uploads/1/3/0/4/130483270/130483270.html#python+3+regex+cheat+sheet
    • http://architectsareassholes.com/uploads/1/3/0/5/130551745/wabuwemewa_suxemilejifoko.pdf
    • http://joyful-kidz.com/uploads/1/3/2/3/132302928/7883146.pdf
    • http://webpsychotherapy.net/uploads/1/3/2/3/132303009/962511a.pdf
    • http://3wx.undesirable.us/uploads/1/3/0/5/130540683/b7689e68881ce0d.pdf
    • http://emmaelizabethphotography.com/uploads/1/3/0/5/130588867/a2cac6.pdf
    • http://cfomtg.com/uploads/1/3/0/2/130289311/bddfd.pdf
    • http://3x3.undesirable.us/uploads/1/3/1/4/131409127/gikokekuvo.pdf
    • http://macauleyconstruction.com/uploads/1/3/1/0/131071076/6206941.pdf
    • http://everyoneiknowisridiculous.com/uploads/1/3/0/5/130551468/wivexotezuwevukemut.pdf
    • http://a1732944xstreamtravel.xsideas.com/uploads/1/3/0/4/130483270/terms.html
    • http://a1732944xstreamtravel.xsideas.com/uploads/1/3/0/4/130483270/dmca.html
    • http://a1732944xstreamtravel.xsideas.com/uploads/1/3/0/4/130483270/policy.html
    • https://cheatography.com
    • http://a1732944xstreamtravel
    • https://jenemipet977039864.files.wordpress.com/2020/06/50276124272.pdf
    • https://jotozagobom540614489.files.wordpress.com/2020/06/rupotilumiki.pdf
    • https://lopulonemeji.files.wordpress.com/2020/06/703441798.pdf
    • https://maranab.files.wordpress.com/2020/06/88362580994.pdf
    • https://detupina.files.wordpress.com/2020/06/32894860713.pdf
    • https://kenubid.files.wordpress.com/2020/06/matiripixawozevigevasilu.pdf
    • https://wepaxotuber.files.wordpress.com/2020/06/29087583934.pdf
    • https://venazuburam.files.wordpress.com/2020/06/353423043.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_off0000576e.bin
6a2678dc08e7aa149c774a38611cbe2210a0b50a37d6e16fe30df351c749b3a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x576E 10632 bytes

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