Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6848216ee06d5bb…

MALICIOUS

PDF

42.8 KB Created: 2020-03-25 08:15:54 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4d24d5612b0dac5e193a95078e6d2473 SHA-1: ed2e868ba1ff9f3f203f6b36fb2f8e3fa305e6da SHA-256: b6848216ee06d5bb2858a2fb3f2f0e5d5ddbd426030574232e012b2e77b704a0
62 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, a technique commonly used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior, indicating a potential link farm. The embedded URLs point to various PDF files on different domains, suggesting a coordinated effort to redirect users. 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://adoptme.info/uploads/1/3/0/8/130813860/130813860.html#ejemplo+de+silabas+metricas+en+un+poema
    • http://ddscientific.net/uploads/1/3/0/7/130776504/9648571.pdf
    • http://destinyrealtyservices.com/uploads/1/3/0/5/130550758/ravetawisofuvedaxo.pdf
    • http://provoto.eu/uploads/1/3/0/6/130639537/soteteg.pdf
    • http://icepic.club/uploads/1/3/0/2/130272333/sazunariw-risomazedulevab-sedisemujeju.pdf
    • http://www.connormurphywrites.com/uploads/1/3/0/2/130287852/wibezedijede.pdf
    • http://www.flipenglishpop.com/uploads/1/3/0/6/130603878/cb3052f4f3a505b.pdf
    • http://kauffmancenterstore.org/uploads/1/3/0/4/130435943/ce1cc299a49.pdf
    • http://www.freemedicus.com/uploads/1/3/0/5/130544968/wizunukarav_majotor_ranigute.pdf
    • http://crumpgreenhouse.com/uploads/1/3/0/3/130323293/xudiwod_kijozikigumoj_tunew_tanerarugutunu.pdf
    • http://michaudwellness.com/uploads/1/3/0/6/130621182/falatezejubonipurum.pdf
    • http://michelerae.org/uploads/1/3/0/8/130813804/1404551.pdf
    • http://photo-sport-automobile.fr/uploads/1/3/0/3/130313006/56284.pdf
    • http://mcleanslaw.net/uploads/1/3/0/2/130291575/jikot.pdf
    • http://www.northshoreassist.com/uploads/1/3/0/9/130969077/tisomapopolaz-nejedigiroz-zewojo-kadapuvurope.pdf
    • http://www.pvaboxing.org/uploads/1/3/0/8/130813644/piladox-sotabivemozoxu-tavudef-sasoru.pdf
    • http://devshard12312313.com/uploads/1/3/0/4/130483566/be3e938e8ccb.pdf
    • http://reallymeanmugs.com/uploads/1/3/0/6/130604108/faacce0275.pdf
    • http://bistro46.net/uploads/1/3/0/5/130589174/7b705d8.pdf
    • http://ameliashomes.com/uploads/1/3/0/5/130588443/mavojova-vazisowemogulez.pdf
    • http://beekind2all.com/uploads/1/3/0/6/130604263/newikuxajivadamepim.pdf
    • http://munchkinsmusic.net/uploads/1/3/0/5/130538997/javefosili.pdf
    • http://dalestravel.info/uploads/1/3/0/5/130588784/xoxinonusu.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_off00007b7d.bin
c4a9c9665d734679fc597b7b51d70b6f5d6218358af78533b192615f25ca832e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B7D 8828 bytes

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