Malicious PDF — malware analysis report

Static analysis result for SHA-256 e17e0629c1488eac…

MALICIOUS

PDF

27.5 KB Created: 2020-06-13 02:03:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62cc87366d72511921bdd254e1758007 SHA-1: 59d4415f2a6fd721750582a035bff880ea344336 SHA-256: e17e0629c1488eace79bbb69927834b49eea16ddf175609b468f333f78804a42
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, a technique often used for SEO manipulation or to host malicious content. The document body, though partially corrupted, contains text related to 'calculus free response' and mentions 'wkhtmltopdf', suggesting a lure to educational content. The primary heuristic identified a link farm of external PDF links, with the highest priority URL being http://74-123-72-187.mgwnet.com/uploads/1/3/0/4/130476628/130476628.html#2010+ab+calculus+free+response. The presence of numerous unknown reputation URLs indicates a high likelihood of malicious intent.

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://74-123-72-187.mgwnet.com/uploads/1/3/0/4/130476628/130476628.html#2010+ab+calculus+free+response
    • http://mta-sts.mx.topionline.com/uploads/1/3/0/6/130605041/dixipinit_zafiwoxe_fosedono.pdf
    • http://hqfragrances.com/uploads/1/3/0/6/130603803/nodunujefuvexavid.pdf
    • http://shoppingwithkids.net/uploads/1/3/0/6/130603888/jevilofeloxake.pdf
    • http://baksonconsulting.com/uploads/1/3/0/7/130776425/lowituloturibu_dutobovurew_wofepatonika.pdf
    • http://joharperyoga.co.uk/uploads/1/3/1/1/131164446/7930543.pdf
    • https://guzisaka.files.wordpress.com/2020/06/86147996010.pdf
    • https://xakisujufo.files.wordpress.com/2020/06/90355369618.pdf
    • https://lojemaj.files.wordpress.com/2020/06/39803052719.pdf
    • https://kumitewefa.files.wordpress.com/2020/06/44307357161.pdf
    • https://bazazexa.files.wordpress.com/2020/06/59950386548.pdf
    • https://zemijedo.files.wordpress.com/2020/06/30610149202.pdf
    • https://leniguzula.files.wordpress.com/2020/06/74771616697.pdf
    • https://denorawe.files.wordpress.com/2020/06/41052790681.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_off00004618.bin
055679b19c05ff20317002f89cb5877220da66d5f2b6096f91a105953c34dd6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4618 8324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.