Malicious PDF — malware analysis report

Static analysis result for SHA-256 45dc1becfdecf7f4…

MALICIOUS

PDF

47.5 KB Created: 2020-04-12 05:45:09 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4ecabca14d6e48dfe0b6a94b73603ec5 SHA-1: b4ffc0fb8cf27cc7e48fea5b9586f66ce53d862a SHA-256: 45dc1becfdecf7f463e9db49c5621bb9d70397ef33088fd5d34223f2a8437c4d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are numerically or generically named, suggesting a link farm for SEO manipulation or to distribute malicious content. The document body text, while appearing to be about the Affordable Care Act, is likely a lure to encourage clicks on the embedded URLs. 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://foxbound.com/uploads/1/3/0/2/130288554/130288554.html#under+the+affordable+care+act+what+purpose+do+the+exchanges+serve+quizlet
    • http://rosiesresustraining.com/uploads/1/3/0/4/130435881/6563a.pdf
    • http://allsigninstallations.com/uploads/1/3/1/4/131437626/lemafavemaza_lojozuvid_dudojaxovu_jusonavilavoj.pdf
    • http://dieseltough.com/uploads/1/3/1/4/131437487/xagunilemavunabam.pdf
    • http://tnrsolutions.net/uploads/1/3/0/7/130738769/6d457c40b86dca.pdf
    • http://aromachologies.com/uploads/1/3/0/9/130968992/8713815.pdf
    • http://thvpnt.com/uploads/1/3/0/7/130739362/futodudu_viterepidogu_ravaxudumi_tizawuzid.pdf
    • http://nomorejoemoore.com/uploads/1/3/0/4/130483799/pimabijuw.pdf
    • http://913hotel.info/uploads/1/3/1/3/131379636/8475744.pdf
    • http://mindsetmakeover.site/uploads/1/3/0/7/130776656/gumoma_xitawot_jejegexaja_jozakoru.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007cf9.bin
1202d35fa70135f2bc252d6222a3a5880b31530632925b712ac28b4f550e2b07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CF9 8108 bytes
font_01_sfnt_off00009c44.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C44 16036 bytes

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