Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd04ef113ad823ca…

MALICIOUS

PDF

39.1 KB Created: 2020-03-19 04:20:58 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4eb78a1a3474afab15c5eaf6c710f843 SHA-1: a0e1530cf52d2868474db70cbc039c61dbde709b SHA-256: fd04ef113ad823ca7c02f108353cdd2d14cbd457fcb1d7f2e10b230067b33e6c
62 Risk Score

Malware Insights

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

The PDF document contains a lure related to 'Ludovico einaudi nuvole bianche easy sheet music' but is primarily composed of a large number of external PDF links, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or SEO poisoning attack, likely intended to drive traffic to malicious sites or distribute further malware. 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://mltransportebasel.ch/uploads/1/3/0/4/130489997/130489997.html#ludovico+einaudi+nuvole+bianche+easy+sheet+music
    • http://nathandmaki.com/uploads/1/3/0/9/130969483/fozeziwuzuluxusemil.pdf
    • http://acclaimfoods.com/uploads/1/3/0/4/130479171/736bfc04af558.pdf
    • http://neverforgetneverregret.com/uploads/1/3/0/4/130489226/wuvugupasoderof.pdf
    • http://surreyasbestostesting.com/uploads/1/3/0/7/130776296/6220913.pdf
    • http://landing.laguiademoda.com/uploads/1/3/0/6/130639038/5159105.pdf
    • http://yappyhourfordogs.com/uploads/1/3/0/2/130272071/8571329.pdf
    • http://thebadkidproject.org/uploads/1/3/0/4/130435582/5561224.pdf
    • http://olmclean.com/uploads/1/3/0/6/130639296/belotumilodeli.pdf
    • http://www.beauty616.com/uploads/1/3/0/5/130540193/wewunojunus.pdf
    • http://www.thecornishgiftco.com/uploads/1/3/0/6/130621124/gaberoxep.pdf
    • http://soulfulexcursions.com/uploads/1/3/0/7/130775413/ronuro_lotex.pdf
    • http://www.greentreedelivery.co.uk/uploads/1/3/0/4/130477584/tegarobusofesuga.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000716a.bin
2df39d106f2d373c8670fc40f7c9b087e0afe058684ba5ae6c9881c95b4f94e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x716A 9168 bytes

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