Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4bf413160826f91…

MALICIOUS

PDF

45.4 KB Created: 2020-03-29 15:14:26 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6b71b340e90eef7c74bdf8ef16b58176 SHA-1: eb38e988decff826547ff3f3fd9f9c144648d9fc SHA-256: a4bf413160826f91d7e8197e5622ca6c98b16bf4ed4da67440e96274cb725e4a
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. No scripts were extracted, and the document body was heavily obfuscated, limiting deeper analysis of the immediate intent beyond link distribution.

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://aldensuites.devsite-1.com/uploads/1/3/0/4/130435711/130435711.html#somewhere+over+the+rainbow+judy+garland+film
    • http://villagestravel.org/uploads/1/3/0/7/130776007/b71e903028a.pdf
    • http://abovegrade.org/uploads/1/3/0/7/130738854/2487124.pdf
    • http://promakeupartist.online/uploads/1/3/0/7/130775719/berifikabusa-sazolisa-gerad-veragijel.pdf
    • http://krei-energy.com/uploads/1/3/0/9/130969775/lubejubeluzuron-gewowuzakaju-vafaxipanoxopi-jiredi.pdf
    • http://cosjexs.com/uploads/1/3/0/4/130483584/zuxazina.pdf
    • http://thennnmarketplace.com/uploads/1/3/1/0/131070625/3b963ed3976.pdf
    • http://rimadylforless.com/uploads/1/3/0/7/130775984/47455ddf3.pdf
    • http://shanias-sweets.com/uploads/1/3/1/0/131070329/844835.pdf
    • http://1660financing.com/uploads/1/3/1/4/131438809/6179404.pdf
    • http://peacenwellbeing.com/uploads/1/3/0/4/130476385/tidilomozuxop.pdf
    • http://woodbrothers-creations.com/uploads/1/3/0/3/130379311/najojadogegonegutiva.pdf
    • http://lulusdogcatgrooming.com/uploads/1/3/0/3/130324065/6126188.pdf
    • http://fxr.asia/uploads/1/3/1/3/131379748/raweriwezawak_kisidufid.pdf
    • http://southernbritchestx.com/uploads/1/3/0/8/130874510/3314739.pdf
    • http://christianeducational.net/uploads/1/3/0/6/130621840/powosipatiziduj.pdf
    • http://clean-room-solutions.com/uploads/1/3/0/6/130639147/8d58b.pdf
    • http://iraqueer.org/uploads/1/3/0/3/130380037/novuxup.pdf
    • http://insidesalesexperts.com/uploads/1/3/0/9/130969496/188424.pdf
    • http://aogdemo.site/uploads/1/3/1/0/131070113/nojesabonuxigujasinu.pdf
    • http://devsscarves.com/uploads/1/3/1/1/131163640/66784.pdf
    • http://cbtalentconsulting.com/uploads/1/3/0/5/130543093/d7e2e8.pdf
    • http://exclusivetrendsetters.com/uploads/1/3/0/6/130604312/mokupinefedajo-kevasilerekun-lixizajolan.pdf
    • http://buildwealththroughrealestate.com/uploads/1/3/0/5/130588187/buxeno.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_off000084b6.bin
5c2875de86482ff8c3a1ef2eaa98944c661f8ce830101a796cd0b006f1d621d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84B6 9268 bytes

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