Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9d224b5d9325e4…

MALICIOUS

PDF

36.2 KB Created: 2020-03-10 11:04:29 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5aa40427526444f1bd88a8af6d8ea7a4 SHA-1: 1249735a6a7eac697971c59fdf672a3b64718dee SHA-256: 2e9d224b5d9325e401712faf05f832fed349e9a3a337d8b05e06a59f2a21f201
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or distribution network. The embedded URLs and the document body content, which includes terms like 'Mindray bc 2800 reagents', indicate a potential lure to attract users to click on these links. No scripts were extracted, and the primary malicious activity appears to be the redirection to external resources.

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://bet365yulechengwangzhi.br3h.com/uploads/1/3/0/5/130588473/130588473.html#mindray+bc+2800+reagents
    • http://solidrocklouisville.com/uploads/1/3/0/5/130588588/c1a58485846.pdf
    • http://escaperoomprops.us/uploads/1/3/0/8/130874437/wemenasewanoru.pdf
    • http://www.littlebellephotography.com/uploads/1/3/0/3/130313053/sulabobosomi_fedore.pdf
    • http://pulseplay.net/uploads/1/3/0/4/130488328/dodubolewupukani.pdf
    • http://drodphotography.net/uploads/1/3/0/7/130775522/zewik_wawapigogowes.pdf
    • http://mrcrosbyswebsite.com/uploads/1/3/0/6/130604321/e01cfc.pdf
    • http://kolossus.com/uploads/1/3/0/6/130621870/1179bb5b641ea.pdf
    • http://vigga.com/uploads/1/3/0/5/130543545/38670cc9a814.pdf
    • http://botoxduluth.com/uploads/1/3/0/5/130551704/323288.pdf
    • http://mx.banditaerialproductions.net/uploads/1/3/0/5/130588407/85399b3.pdf
    • http://www.physics-friends.com/uploads/1/3/0/5/130590700/214664.pdf
    • http://www.tleigharts.com/uploads/1/3/0/9/130969761/3179850.pdf
    • http://rideeverystrideinc.com/uploads/1/3/0/6/130620321/talijumiwuvumenak.pdf
    • http://goonmud.net/uploads/1/3/0/6/130639935/942228.pdf
    • http://livetheforum.com/uploads/1/3/0/6/130604315/vomurubifiped-sekasunula-menikelugusaref.pdf
    • http://nataliekfitness.com/uploads/1/3/0/7/130775939/3866444.pdf
    • http://d0ixvpztpf.imagecode.org/uploads/1/3/0/8/130874430/lugodebisoj.pdf
    • http://behdar.org/uploads/1/3/0/5/130588276/xaruwomixututabezimi.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_off000064be.bin
829176279259b66cb99e0ab7a723f2c9071150ab025e251abbfa047083e7f4ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64BE 7552 bytes

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