Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba48db317e8fff95…

MALICIOUS

PDF

77.4 KB Created: 2020-06-12 08:03:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d82bda83805b9244785325948cf3660 SHA-1: 0add3b25046b9e8ba4e3d593e460d190fd7ca37e SHA-256: ba48db317e8fff95c8779d2f984a93eca35f4357d5a50a413f1d19509547a3bc
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 point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links generated for SEO purposes. The embedded URL 'http://shittyhipsters.com/uploads/1/3/0/2/130273582/130273582.html#sae+j673+pdf' is also suspicious and likely leads to a malicious resource. No scripts were extracted from this sample.

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://shittyhipsters.com/uploads/1/3/0/2/130273582/130273582.html#sae+j673+pdf
    • http://cimisupport.com/uploads/1/3/0/8/130815381/kukowugeluxosi.pdf
    • http://tarotinstruction.com/uploads/1/3/0/9/130969542/vesuzobuwanugog.pdf
    • http://hostmaster.affinityprofits.com/uploads/1/3/0/7/130776714/2125478.pdf
    • http://magical-fun.com/uploads/1/3/0/3/130379463/1169569.pdf
    • http://stackd-training.com/uploads/1/3/0/5/130543285/a143ab.pdf
    • http://pcasingers.com/uploads/1/3/1/0/131070231/guxaroboge_sebewukus_kojudorolugu.pdf
    • http://sarahyeoman.co.uk/uploads/1/3/0/3/130324027/8673021.pdf
    • http://kingdesignsni.com/uploads/1/3/0/6/130620684/rerigubim.pdf
    • https://depivufegel.files.wordpress.com/2020/06/42450178178.pdf
    • https://zilulejiza.files.wordpress.com/2020/06/gekijuvezegulaxekakudika.pdf
    • https://tizabaxi.files.wordpress.com/2020/06/miwifosizape.pdf
    • https://saziwagut.files.wordpress.com/2020/06/neruwilogisowezum.pdf
    • https://riduvetixaxu.files.wordpress.com/2020/06/sogunowafebon.pdf
    • https://mumasidiwo.files.wordpress.com/2020/06/47081072754.pdf
    • https://gitelapil.files.wordpress.com/2020/06/sikiroxar.pdf
    • https://sowozegoji.files.wordpress.com/2020/06/xuzekunitanosar.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_off000102f4.bin
e13d6f4de84d99fe5cc5a60a70d262ddbfd219f8a92af1025066798791f2523b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x102F4 11472 bytes

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