Malicious PDF — malware analysis report

Static analysis result for SHA-256 a88d4959956e2bec…

MALICIOUS

PDF

36.1 KB Created: 2020-04-19 09:21:42 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3d7396051353d10306660b70cf8c7497 SHA-1: 1a6d2fa96667c8eefb4348eaeb702641d1293ddf SHA-256: a88d4959956e2bec13549a7e33e1f3f188ba22973c2567ef76b5270add75eb33
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, many of which are hosted on newly registered domains and appear to be part of a link farm. The document body, though heavily obfuscated, contains text suggesting it is an 'annual report', which is a common lure. The presence of numerous unknown URLs indicates a high likelihood of redirection to malicious content or phishing sites.

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://mythebestsully.org/uploads/1/3/0/8/130873841/130873841.html#fatima+group+annual+report+2017
    • http://djeduardoalves.com/uploads/1/3/0/3/130323672/9063031.pdf
    • http://snowflake0129.com/uploads/1/3/0/6/130620842/7425582.pdf
    • http://gelbkeismyagent.com/uploads/1/3/1/4/131438563/lawajaz_boxesotogir_kitunalakidozo.pdf
    • http://cbs-europe.com/uploads/1/3/1/3/131384583/f924e507a6.pdf
    • http://xmaslightshustle.com/uploads/1/3/1/4/131454581/8768f.pdf
    • http://geeksmax.com/uploads/1/3/1/4/131482944/devixaru.pdf
    • http://19919977.ru/uploads/1/3/0/7/130739975/a6edb3d75634d2.pdf
    • http://gelbkeismyagent.com/uploads/1/3/1/4/131438563/la
    • 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_off0000658c.bin
a971d191d08f88c1e88e81c88532b18b539716692683609c5b67070906c7dbf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x658C 8016 bytes

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