Malicious PDF — malware analysis report

Static analysis result for SHA-256 89ecce1a58da1dd3…

MALICIOUS

PDF

43.0 KB Created: 2020-04-07 23:33:28 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 42e8ae6f2840e11520ff33dd3975ba1e SHA-1: 5b3ff8c89317315fa2db0302fa28ff22c629dff7 SHA-256: 89ecce1a58da1dd344d4533437f9f3be103298f40d7989d8d0d3b3b27c9406c9
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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 SEO poisoning attack. The document body text is largely unreadable, but the presence of numerous external URLs indicates a likely attempt to direct users to potentially malicious content hosted elsewhere. 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://dppersonaltraining.com/uploads/1/3/0/9/130969663/130969663.html#la+naissance+de+l+%C3%A9criture+ce2
    • http://3dpopartwork.com/uploads/1/3/0/6/130604393/2624148.pdf
    • http://1801innovationblvd.com/uploads/1/3/1/0/131071082/manapuvulejoz.pdf
    • http://pureblissbakeryoc.com/uploads/1/3/1/3/131384777/fipakazadufilezoxola.pdf
    • http://momnovel.com/uploads/1/3/0/2/130289225/tepovevukelin-bavoxukig-pekewopesuj.pdf
    • http://notaria88qroo.com/uploads/1/3/0/7/130775630/6e74c01efa593.pdf
    • http://addictedbyassociation.com/uploads/1/3/0/4/130476098/mugulogere.pdf
    • http://carewithfaith.com/uploads/1/3/0/7/130740257/sazodobetal-kinibe.pdf
    • http://sensationalmovement.net/uploads/1/3/1/4/131452991/wogup_padufifekabe_nuxemo_wabiselubub.pdf
    • http://adulosangeles.com/uploads/1/3/1/4/131454269/vonebusajenajev-fabefixenoxiw-wejebukinej-jekaj.pdf
    • http://joeyandtheboy.com/uploads/1/3/1/4/131438471/vigodojiribitan-wonanuf-zegakabagodo-bojagu.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_off00006f2d.bin
436a51c96e10f884dc4c010700d09879b755e9892d8954459be40f2d173f4a85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F2D 10264 bytes
font_01_sfnt_off000092ab.bin
a545cd1354791db135ec356cbc09bf96b40c60cd501c730bdb7b08b761a8d7fd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92AB 2860 bytes

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