Malicious PDF — malware analysis report

Static analysis result for SHA-256 52739c43409f395e…

MALICIOUS

PDF

72.4 KB Created: 2020-06-11 21:42:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 91705607b7abcf3362b915777e93f3ad SHA-1: 2561056977c3174df0d29ba364c93b1eb40c6676 SHA-256: 52739c43409f395ed4a5a6099cc4a4a6fe947fe97806bc34b2e9b3ee10485283
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to domains designed to mimic legitimate services or appear as link farms. The document body, though heavily obfuscated, contains a URL that appears to be a lure, directing users to 'giogiovannalimited.com' under the guise of a manual. This suggests a phishing or malware distribution attempt.

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://giogiovannalimited.com/uploads/1/3/0/2/130291474/130291474.html#king+of+tone+manual
    • http://mta-sts.mail.azanaprofana.com/uploads/1/3/0/4/130490378/4498171.pdf
    • http://mta-sts.mail.carolinescandlecompany.com/uploads/1/3/1/3/131380210/8577922.pdf
    • http://mta-sts.mx.flavorandtaste.com/uploads/1/3/1/4/131413718/vusoso.pdf
    • http://stamprint.net/uploads/1/3/1/3/131379498/5360695.pdf
    • http://timemanagement.guru/uploads/1/3/1/0/131071175/tinaborumin.pdf
    • http://jellyboxdigital.com/uploads/1/3/0/7/130740483/178b7e158bc.pdf
    • http://eatrucking.net/uploads/1/3/0/5/130538996/vuwegilelime_faden.pdf
    • http://portsmouthboilerrepair.com/uploads/1/3/0/7/130739206/gobaravut.pdf
    • https://zezumova.files.wordpress.com/2020/06/88280209209.pdf
    • https://pomurulive.files.wordpress.com/2020/06/dunadoduwabenef.pdf
    • https://ruvasitib.files.wordpress.com/2020/06/97215804663.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_off0000eee8.bin
403905d2677d88fe4dcbc3489c4d50e1bb2be12d2c1e77751fb8449d0d8d2bab		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEEE8 11804 bytes

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