PDF malware analysis — malicious · 1ee668c4c4982d11

MALICIOUS

PDF

48.7 KB Created: 2020-03-09 07:57:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: bf5fd1ac6636825a4f89d31b0f771e5b SHA-1: 03cddad803b404bde6760afe201f9cbb8d21c6ad SHA-256: 1ee668c4c4982d1152c6c65271b911746174dce68b0f8558081f3ab08c7bfb02

92 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious. The document body, though partially corrupted, contains a reference to 'Desastre nuclear de chernobyl en 1986', likely a lure to attract clicks. No scripts were extracted from this sample.

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://x0602885xstreamtravel.xsideas.com/uploads/1/3/0/5/130589126/130589126.html#desastre+nuclear+de+chernobyl+en+1986
- http://donemanapc.com/uploads/1/3/0/8/130874305/kefulijene.pdf
- http://ballisticsusa.org/uploads/1/3/0/6/130604787/4168868.pdf
- http://www.plussizeweddingdressesnh.com/uploads/1/3/0/7/130776639/nuwin.pdf
- http://jacquiehuser.com/uploads/1/3/0/4/130490155/7461164.pdf
- http://rtknowhere.com/uploads/1/3/0/4/130483285/b97fc646.pdf
- http://www.fredachaney.com/uploads/1/3/0/6/130620435/genulezirowata.pdf
- http://artistsmusesandlovers.com/uploads/1/3/0/5/130551401/4404721.pdf
- http://hostmaster.businessbox.ch/uploads/1/3/0/5/130539987/4029435.pdf
- http://nnoutt.com/uploads/1/3/0/7/130776399/24063a3d692a4f.pdf
- http://neatgoals.com/uploads/1/3/0/2/130288577/geganuruk.pdf
- http://www.niijki.ca/uploads/1/3/0/4/130488141/rejez-livawo-wosem.pdf
- http://shapnas.com/uploads/1/3/0/9/130969954/xekow.pdf
- http://civilwarfashionshow.com/uploads/1/3/0/8/130874180/9358936.pdf
- http://www.ascendingbirdsanctuary.com/uploads/1/3/0/6/130639803/46a65daaf.pdf
- http://skyhyinternational.com/uploads/1/3/0/7/130740092/dunapopatu_fabuxelo_ragexidozimew_zukokoduruz.pdf
- http://c5pro-solutions.com/uploads/1/3/0/5/130551230/letezineda_fefasaruz_dukagipoxijum.pdf
- http://stratdef.org/uploads/1/3/0/2/130272587/ligav.pdf
- http://www.excapsa.org/uploads/1/3/0/5/130543025/2684584.pdf
- http://thallstudio.com/uploads/1/3/0/5/130541209/dovunawabiviwuzov.pdf
- http://avoidinginertia.org/uploads/1/3/0/6/130621361/gisogevuxalemujo.pdf
- http://soccerskillschools.com/uploads/1/3/0/6/130639966/gizibujibamudenimu.pdf
- http://kenscocnc.com/uploads/1/3/0/7/130739695/110741.pdf
- http://trond.com/uploads/1/3/0/5/130588159/bopejupana.pdf
- http://www.splendorosa.com/uploads/1/3/0/2/130289540/muxejigera.pdf
- http://thefriendlypear.com/uploads/1/3/0/7/130775565/pijedamov_xufepafer_tubefesuxaf_voralimelowe.pdf
- http://thefriendlypear
- 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.

Filename	Kind	Source	Size
`font_00_sfnt_off00009493.bin` `dbbc4d03e4926872b4a242a675a62955b13afdb5f9810b9c2fc05f2f358f2559`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9493	8360 bytes

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