Malicious PDF — malware analysis report

Static analysis result for SHA-256 92e38c0a82ebab8c…

MALICIOUS

PDF

44.4 KB Created: 2020-04-19 15:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6268dbfb8edb33463067367a9d51c7d2 SHA-1: 46074f8dcac4fd6172c89390e46be73e05271155 SHA-256: 92e38c0a82ebab8c68fbdc920a3efe020fde563e708d2b57adeeb595a4d96c4a
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which are dynamically generated with numeric slugs, indicating a link farm or SEO spam tactic. The document body is heavily obfuscated and appears to contain embedded URLs, including 'http://niralidevgan.com/uploads/1/3/1/4/131438379/131438379.html#basel+2+capital+accord+pdf'. This suggests the primary purpose is to redirect users to potentially malicious content hosted on these external domains.

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://niralidevgan.com/uploads/1/3/1/4/131438379/131438379.html#basel+2+capital+accord+pdf
    • http://monalisatravelling.com/uploads/1/3/1/4/131407815/6773516.pdf
    • http://bankedroots.com/uploads/1/3/1/4/131406181/1759530.pdf
    • http://randrbespoke.com/uploads/1/3/0/7/130739991/liwazesufevisodonije.pdf
    • http://rhondabangertyoga.com/uploads/1/3/0/5/130550857/582b3f7432f.pdf
    • http://brightsideofaging.org/uploads/1/3/0/6/130605420/zutojixelumo.pdf
    • http://veganpottery.org/uploads/1/3/1/4/131438642/4205515.pdf
    • http://adhisfoodiversity.com/uploads/1/3/0/4/130476161/vutipakaveziminol.pdf
    • http://tanyatullis.com/uploads/1/3/0/5/130590334/7341357.pdf
    • http://aitiolures.com/uploads/1/3/0/7/130776587/6ed6072f3f48b3e.pdf
    • http://nongsanqueminh.com/uploads/1/3/0/5/130550731/jadinepiraju-jejudibi-xitediji.pdf
    • http://amandamclaughlin.com/uploads/1/3/0/8/130813497/6032513.pdf
    • http://amaxartdesign.com/uploads/1/3/1/3/131381677/fuwadi.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_off00008867.bin
00f87c9cabc056a42578f35e6b034c2b844b76fc8eda0153fd788ac26a2e16d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8867 7556 bytes

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