Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa16c2aaacfebf96…

MALICIOUS

PDF

32.4 KB Created: 2020-05-16 00:50:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b92c6d9ef08e7d8750b2cb16e38b20dc SHA-1: 5ba06ec35efeb7ce73195bc92a6ea31bbd43c0fe SHA-256: fa16c2aaacfebf96866850454bec5dec87d0c9ed8d5d991e98d9c52ee4fb8536
70 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files on similarly structured domains. This indicates a link farm or SEO poisoning tactic designed to lure users into downloading potentially malicious content. The presence of a 'download button' heuristic further supports this, suggesting a deceptive user interface. No scripts were extracted, limiting the analysis of direct payload execution.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://1minpromos.com/uploads/1/3/1/6/131606073/131606073.html#petta+tamil+audio+songs++mp4
    • http://directwindowinstallers.com/uploads/1/3/0/4/130476396/dexituwinopame_regopo_xabebegiwivubu_gakuso.pdf
    • http://homeplanz.shop/uploads/1/3/1/3/131380836/5958141.pdf
    • http://mygoatjob.com/uploads/1/3/0/2/130272333/2231594.pdf
    • http://soccerlegion.com/uploads/1/3/1/8/131856109/nonetevoxanap.pdf
    • http://mmpsllc.net/uploads/1/3/0/4/130476548/1039835.pdf
    • http://greenlight48.com/uploads/1/3/1/4/131408928/letunapazamoriwebimi.pdf
    • http://meghnaravishankar.com/uploads/1/3/0/8/130874143/gafaxamemerasodewati.pdf
    • http://ceremoniousgifts.com/uploads/1/3/0/4/130488098/7381070.pdf
    • http://onepricewash.com/uploads/1/3/1/4/131483447/6aa706c42f03.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_off0000532a.bin
e23e2de3747d61065cfbbacaf3db08bee205c92a2e0a53e099cf4ec68d3d699c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x532A 10560 bytes

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