Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc30d252a9fd1355…

MALICIOUS

PDF

38.4 KB Created: 2020-04-09 10:51:01 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 413eed1808c2265840c4cd0326579e70 SHA-1: a804b8a83ed7bc15c8eaecf32f32bdde5a35b185 SHA-256: dc30d252a9fd13556dbbc67dfce1286b92eed4ddd7b040f522c70cd07b64d2f0
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a distribution mechanism for malicious content. The document body contains garbled text and some URLs, reinforcing the idea that the primary function is to redirect users to external resources. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://dailyhorizons.com/uploads/1/3/1/0/131070852/131070852.html#solido+liquido+gaseoso+imagenes
    • http://paulorobertonutricionista.com/uploads/1/3/1/0/131069940/lebetenawisetu.pdf
    • http://solidsclothingstore.ca/uploads/1/3/0/8/130814100/tulofajerolof_jeledorexugaw_xelulowosi_gepurupipim.pdf
    • http://blingitonboutique.shop/uploads/1/3/0/7/130738948/komefil.pdf
    • http://healthyageingsolutions.eu/uploads/1/3/0/8/130874165/2466027.pdf
    • http://napollie.com/uploads/1/3/0/2/130289218/kusatepax.pdf
    • http://withlovehelly.com/uploads/1/3/0/8/130814877/jiroletovupiguz-rebutukebidav-lukidagukine-tolotirip.pdf
    • http://katelynandrewsmassage.com/uploads/1/3/0/5/130588168/68742ddee.pdf
    • http://natalieeldridge.com/uploads/1/3/1/3/131384025/nobidawomugosu_dikarude.pdf
    • http://thesocialist.us/uploads/1/3/0/3/130312993/ff376fbb07b.pdf
    • http://youngexplorersenrichment.com/uploads/1/3/0/2/130270917/2268106.pdf
    • http://redgumestate.com.au/uploads/1/3/0/5/130589374/8757834.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_off00006c5f.bin
b9538d3d3915b51f261c9e0fdad014090fe740a5f9bdf3ec3732b8a639c8f380		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C5F 8448 bytes

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