Malicious PDF — malware analysis report

Static analysis result for SHA-256 d24a0c3e025cb455…

MALICIOUS

PDF

35.9 KB Created: 2020-04-12 07:52:47 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ff49e4eda50cecbf0e3b4b8727e0dcad SHA-1: 276511c73248e6bea31fc6878bcd31e76a7160db SHA-256: d24a0c3e025cb455843159043dbeb5ac612b2855afaeed8e4291d4ff708930c8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document 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 spam campaign. The primary purpose appears to be to lure users to click on these links, potentially leading to malicious websites or phishing 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://careaidecommunity.com/uploads/1/3/1/3/131381369/131381369.html#dungeon+siege+2+broken+world+no+mouse+cursor
    • http://www.cheshycheshy.com/uploads/1/3/1/4/131454106/nuvet.pdf
    • http://angiessoulspace.com/uploads/1/3/0/9/130969188/linira.pdf
    • http://dublindublinrivermaintenanceservice.com/uploads/1/3/0/7/130740235/nimovazuwofogamarafe.pdf
    • http://mx.amandathomasart.com/uploads/1/3/0/5/130550781/fuzobedobivawika.pdf
    • http://trauma-toolkit.com/uploads/1/3/0/3/130379447/9971789.pdf
    • http://besthomecleaners.com/uploads/1/3/0/2/130291975/gipamezutek.pdf
    • http://jessieshomemadegranola.com/uploads/1/3/0/7/130775260/5454396.pdf
    • http://girlsinthecity.ie/uploads/1/3/1/0/131070450/9807135.pdf
    • http://cmheducationalconsulting.org/uploads/1/3/0/4/130489019/47dfc.pdf
    • http://spencernuccitelli.com/uploads/1/3/0/7/130775306/1639749.pdf
    • http://maxmtransportation.com/uploads/1/3/0/3/130313221/peledimezosozum.pdf
    • http://askercarspa.com/uploads/1/3/0/6/130620283/tefinatesezasibuxud.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b96.bin
04f14c4fa694b07269210203bbae5a8dfe835a5c6703cf248588899b55d0d5f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B96 7684 bytes
font_01_sfnt_off000079c0.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79C0 2652 bytes

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