Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ebc78d2fa3aaf62…

MALICIOUS

PDF

43.0 KB Created: 2020-04-07 10:04:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7ffd143666aeba2cc1480f88c374098c SHA-1: c00757ee5fcb9b8d65491edb2b6335ffacae5215 SHA-256: 9ebc78d2fa3aaf62ced16adf819f107183e8261b7aa105e86951b083e7b7180c
62 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a large number of external links embedded within the document. These links point to various domains, predominantly using numeric slugs in the URL path, suggesting a tactic to manipulate search engine results or redirect users to potentially malicious content. The document body, though heavily obfuscated, contains references to 'setting up swann smart security camera', which may serve as a lure.

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://nationalfootballcheerleadersalumni.org/uploads/1/3/0/5/130539182/130539182.html#setting+up+swann+smart+security+camera
    • http://foodyounity.org/uploads/1/3/0/2/130270779/fipuvixob-famig-dipupavo-xizeralas.pdf
    • http://thekurzergroup.org/uploads/1/3/0/2/130271131/posedozotimi.pdf
    • http://heavenlyhelpinghands.com/uploads/1/3/1/4/131438483/5d305d8844f.pdf
    • http://jamesbowiecolorguard.com/uploads/1/3/1/3/131383228/sotutaf-fimag-wugozari-lojegubuw.pdf
    • http://mamonie.com/uploads/1/3/0/5/130551247/gezorob-xiziwanulujota-rorexib.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_off00007f11.bin
50416f2e955e91b163f89895cb0f0ea4af224555eee0d74eb45925429ace145a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F11 8380 bytes

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