Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a287fd09868031e…

MALICIOUS

PDF

38.9 KB Created: 2020-04-10 12:03:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 74657051f07367f7bf8f7eee11b62313 SHA-1: b82244ca5397396d27b41c569fc3d1168004608c SHA-256: 2a287fd09868031e72c201cd5468a6261de273d77b5fdb5962e057c14e1ff779
62 Risk Score

Malware Insights

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

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 redirection mechanism. The document body contains garbled text and a reference to 'Los modelos atomicos en una linea de tiempo', which appears to be a lure to disguise the malicious intent. 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://jvljewelry.net/uploads/1/3/0/8/130813059/130813059.html#los+modelos+atomicos+en+una+linea+de+tiempo
    • http://lockwoodrentalproperties.com/uploads/1/3/0/5/130544257/navariro_voxonudi_futikaxesedop.pdf
    • http://krisotascakeshop.com/uploads/1/3/1/4/131483090/791af2.pdf
    • http://coolgruel.com/uploads/1/3/1/4/131483025/wutizobur-kovof-rimejubowas.pdf
    • http://sbbarangers.com/uploads/1/3/1/0/131071072/8368406.pdf
    • http://amandahuxtabledirector.com/uploads/1/3/0/9/130969403/fe0de78a4ad7.pdf
    • http://ranchita5six0.com/uploads/1/3/1/4/131453401/9006921.pdf
    • http://m-opanthers.org/uploads/1/3/1/4/131406811/dibamisiwa_fuzipelejika.pdf
    • http://berniestrachan.com/uploads/1/3/0/6/130639665/pofulex_jekejefe_wemabukekowow_tunupafo.pdf
    • http://nexusintl.net/uploads/1/3/0/5/130551375/xituno.pdf
    • http://retrorelicsfl.com/uploads/1/3/0/4/130490875/4253247.pdf
    • http://diraacademy.com/uploads/1/3/1/4/131437516/madofunukuzosolozon.pdf
    • http://odisg.us/uploads/1/3/1/4/131438135/zadufobor_dakudijepip_binudo_kasobiferapi.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_off00006d59.bin
3b9c63d181c3629e6e1a7d8a0774b0737fc7768e4b532eb925105a437d270755		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D59 8840 bytes

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