Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ce7545449718db7…

MALICIOUS

PDF

37.2 KB Created: 2020-05-23 03:50:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70180707acd799026a84792274a0980e SHA-1: d556d9fbef0c0cdb8cb2eae2cac094347226e955 SHA-256: 3ce7545449718db7cb4104274a874b59378c47bc9bb487c24829c1adac5340b8
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 redirect users to malicious sites. The document body contains a mix of seemingly unrelated text and URLs, further supporting the link farm hypothesis. No scripts were extracted from this sample, limiting the ability to determine further payload delivery or execution methods.

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://nobupaloalto.devsite-1.com/uploads/1/3/0/7/130776518/130776518.html#jo+tu+mera+humdard+hai+song+download
    • http://fullertonhotels.com/uploads/1/3/0/5/130588551/13954.pdf
    • http://libertyrockoutdoors.com/uploads/1/3/0/4/130483862/xupoderemopit.pdf
    • http://nepaws.org/uploads/1/3/0/7/130776518/lojolejuwiv_pedakonorovir.pdf
    • http://aguadevidaorphanage.org/uploads/1/3/0/8/130815664/6377764.pdf
    • http://humissa.com/uploads/1/3/0/7/130775306/51f3272.pdf
    • http://pragmaticchiropractic.com/uploads/1/3/0/5/130590698/5485944.pdf
    • http://teamoji.cafe/uploads/1/3/0/2/130291358/direxasu.pdf
    • http://wmfws.com/uploads/1/3/0/6/130603887/ridubu_laxusutowupa.pdf
    • http://greatlakescommitmentnight.com/uploads/1/3/0/6/130604198/jofukojodilivov-mekodabiduzo.pdf
    • http://honeymaid.net/uploads/1/3/1/3/131379719/151543.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_off000063be.bin
bf5b8338abff1663f5c51c020e01c17f1b11a189fefcf4463fd7e009b11b6e4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63BE 11184 bytes

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