PDF malware analysis — malicious · b4b4088622b3cbad

MALICIOUS

PDF

61.2 KB Created: 2020-03-23 17:07:39 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: ab9ec0a2a80a9ae87f12989835b8a40d SHA-1: b332d047d80d45d5f96bdc830875c0a251f4a382 SHA-256: b4b4088622b3cbad1be9358a11515681dff7397f3eafd489bd5e5dc5f585443c

92 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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains references to these links, including 'http://atasteofjamaicaandmore.com/uploads/1/3/0/5/130588787/130588787.html#libro+de+enoc+hablado' and 'http://dzwigal-instal.pl/uploads/1/3/0/6/130620848/sexupip.pdf'. This structure suggests the primary purpose is to act as a link farm, potentially for SEO manipulation or to distribute further malicious content via the linked PDFs.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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://atasteofjamaicaandmore.com/uploads/1/3/0/5/130588787/130588787.html#libro+de+enoc+hablado
- http://dzwigal-instal.pl/uploads/1/3/0/6/130620848/sexupip.pdf
- http://simplyexquisitehg.com/uploads/1/3/0/7/130740323/2162769.pdf
- http://eliteopm.com/uploads/1/3/0/7/130775974/xonelukulaxuvopovumu.pdf
- http://drivingcommunication.com/uploads/1/3/0/3/130379590/garopufeminetixivu.pdf
- http://chemaroma.org/uploads/1/3/0/8/130873828/9124e.pdf
- http://mta-sts.mail.mentawaidaze.com/uploads/1/3/0/6/130640025/wixuvopuminaru-tolazegagev-bemududeregel-tolijizopepa.pdf
- http://ntoumei.com/uploads/1/3/0/6/130620820/kizazumo.pdf
- http://www.helsinkieducationfilmfestivalinternational.com/uploads/1/3/0/6/130621179/5360230.pdf
- http://benclaremont.com/uploads/1/3/0/5/130589222/kifomew_dizuma.pdf
- http://konak9.com/uploads/1/3/0/5/130590200/8961517.pdf
- http://garynelsonsales.com/uploads/1/3/0/5/130540397/givupufuxes.pdf
- http://www.littlerevelend.com/uploads/1/3/0/9/130968995/bewore.pdf
- http://inmobiliariaarenas.net/uploads/1/3/0/7/130776572/fuxivurago_wamekizutifuge_votiji.pdf
- http://danielmachine.store/uploads/1/3/0/5/130541272/volemidugaju.pdf
- http://midnightjusticefilms.info/uploads/1/3/0/7/130775171/nugulipefuzedoz.pdf
- http://brianhaggard.com/uploads/1/3/0/3/130313585/duwalulevu_garivevutafafap_folamelekefi.pdf
- http://nihaoskiescalls.com/uploads/1/3/0/3/130313484/8f2fd8b227ca8.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000a3fc.bin` `ecbfd91ec0ff272a02aa4fa8cebdbedea03083946c52a371e311e3e8d6fc9f4a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA3FC	10460 bytes
`font_01_sfnt_off0000c8a6.bin` `e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC8A6	2652 bytes
`font_02_sfnt_off0000d20d.bin` `779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD20D	16036 bytes

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