Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d175775c1baf57f…

MALICIOUS

PDF

57.2 KB Created: 2020-03-27 05:14:40 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 687128803ef0819e0589b0f0308b52df SHA-1: d585e4d5525ded07ba5b286a094214384872e08b SHA-256: 9d175775c1baf57fb1d4085f9c66f9c1b97ea0a8f7a788571882e6df97a6f3c0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The embedded URL also directs to an external HTML file. While no scripts were extracted, the sheer volume of outbound links indicates a malicious intent to redirect users, potentially to phishing sites or malware distribution points.

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://mariamunozdesign.com/uploads/1/3/1/4/131406253/131406253.html#a%29+calcular+el+precio+y+la+cantidad+de+equilibrio+en+este+mercado
    • http://prettyplump.com.au/uploads/1/3/0/6/130604395/jegisonewapixuwa.pdf
    • http://medicahomeopata.com/uploads/1/3/0/4/130483123/0140887a3.pdf
    • http://www.katelynsierrra.com/uploads/1/3/0/4/130435601/9621093.pdf
    • http://nwmrsnow.com/uploads/1/3/0/5/130590368/f94a8cedab.pdf
    • http://watersportsrep.com/uploads/1/3/0/7/130739517/3291619.pdf
    • http://timfoleydevelopment.com/uploads/1/3/0/5/130543029/1592d6c694ae19.pdf
    • http://ausberryseniorscompanion.info/uploads/1/3/0/4/130488736/867950.pdf
    • http://motorfix.org/uploads/1/3/0/8/130813554/6587033a497ae3e.pdf
    • http://merleandroan.com/uploads/1/3/0/6/130603978/mizuzoxiwiwaxin-netita.pdf
    • http://barceloseassociados.com/uploads/1/3/0/8/130814562/dawirisenukoduzuv.pdf
    • http://tessavon.com/uploads/1/3/0/7/130739333/8112540.pdf
    • http://dokkanaccountseller.com/uploads/1/3/0/2/130289756/namotosi.pdf
    • http://nomoremessingaround.com/uploads/1/3/0/6/130621160/jifasit-fozijos-wagapeweviwawip.pdf
    • http://sbhfinancial.org/uploads/1/3/0/3/130313135/dilebedasidosaf_kukixifedopode_nizananu_pusatuvuguxefi.pdf
    • http://mtpaintings.com/uploads/1/3/0/3/130323130/bedebumufofobeb_rovozanowigeb_govebuwuxa.pdf
    • http://lanceduncan.com/uploads/1/3/0/7/130776727/1561408.pdf
    • http://garageclosetcreations.net/uploads/1/3/0/7/130740000/riweweramiroged_jorunikepela.pdf
    • http://rusticscooterdesigns.com/uploads/1/3/0/2/130272295/3339802.pdf
    • http://rockstarsproductions.com/uploads/1/3/0/5/130589090/9041985.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_off0000b332.bin
d1cc696055f6dc2715b072ac581004aacb0c021b1562411ae3e218861878c84f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB332 9104 bytes

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