Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7662a4753deff8a…

MALICIOUS

PDF

47.4 KB Created: 2020-03-21 18:03:05 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 04805369f490dd2ad986563149ae07eb SHA-1: 40711ffe8d5b460763b6bce7f46ab4e6091d6423 SHA-256: e7662a4753deff8a723a28c10837dba61083de81abc3ebe48e1e2b76031ecdca
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which appear to be SEO-optimized slugs pointing to other PDF files. The document body text, though partially corrupted, includes a URL that suggests a lure for downloading software. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm indicates a potential attempt to distribute unwanted or malicious content.

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://brownbearjourneyllc.com/uploads/1/3/1/0/131070918/131070918.html#como+descargar+forza+motorsport+4+para+pc
    • http://blazeon.ca/uploads/1/3/0/8/130814329/pesokoruzozel-labetomikawosa-titobobuxuxaba-xidon.pdf
    • http://sawyercoshop.com/uploads/1/3/0/2/130271038/tegaxozikovuti.pdf
    • http://detourmovement.org/uploads/1/3/0/2/130271094/a8d2ac4.pdf
    • http://notestotheunderground.com/uploads/1/3/0/5/130551324/1986046.pdf
    • http://yemenicoffeeboard.info/uploads/1/3/0/6/130622101/gufub.pdf
    • http://cochisestronghold.arizonadar.org/uploads/1/3/0/4/130489228/7944fe8df34afe.pdf
    • http://noonecouldhavepredicted.com/uploads/1/3/0/6/130603889/sutobofufife.pdf
    • http://thegoddessdiaries.org/uploads/1/3/0/6/130639241/bigebozejop.pdf
    • http://autodeskmedical.com/uploads/1/3/0/4/130435826/zebiwi_nudagelu_bunavoper.pdf
    • http://michelle-leach.com/uploads/1/3/0/7/130738578/fibotenuzemipomuf.pdf
    • http://dancemarketing.co/uploads/1/3/0/5/130546971/sinivapake.pdf
    • http://aspotforawesome.com/uploads/1/3/0/8/130813764/7337794.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.

FilenameKindSourceSize
font_00_sfnt_off00006ecf.bin
c9ee467ddae4e77fa419e878a0286ce856f5f9a843c54d7821b24c9f4f0aa9ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ECF 9628 bytes
font_01_sfnt_off0000910b.bin
83459e82cebe561b9e65dda6a09953c9e35f75e5df0fa62a624e1833cc5b8086		 pdf-font-stream PDF embedded font (sfnt) at offset 0x910B 1708 bytes
font_02_sfnt_off00009972.bin
7f49cd9f3f0eef1bbab1497492207a33059e7eb0f8bdaadc04a710371899c7e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9972 16040 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.