Malicious PDF — malware analysis report

Static analysis result for SHA-256 2850235ca31c7abc…

MALICIOUS

PDF

34.3 KB Created: 2020-06-08 03:32:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70825c8569f4d03b3d3c2d04bfeabee5 SHA-1: bb30a27862d9a8d58bc36bf849fc0910fbaf8dca SHA-256: 2850235ca31c7abc07e1a4a80ad5517a36cd7211ce5d5d22704604da54186292
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body itself is heavily obfuscated but contains references to the same URLs. The primary purpose appears to be directing users to a network of websites, likely for malicious purposes such as phishing or malware distribution.

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://dialtransportllc.com/uploads/1/3/0/2/130289453/130289453.html#handbook+of+genetic+programming+applications+pdf
    • http://samanthaslimeshop.co/uploads/1/3/1/3/131397930/nikasiraz.pdf
    • http://lpktyreso.se/uploads/1/3/0/6/130605156/826221.pdf
    • http://trustedfinancialpro.com/uploads/1/3/1/4/131407408/kogajavevoga_wavugowubikav.pdf
    • http://serban.biz/uploads/1/3/1/4/131482881/4886466.pdf
    • http://staging6.tnhempfarmacy.com/uploads/1/3/0/7/130775536/togejavumameviminux.pdf
    • http://greenaccountingservices.co.uk/uploads/1/3/0/6/130603894/8957002.pdf
    • http://catalinapacificunderground.com/uploads/1/3/0/6/130639682/xajer-sizaf-talorikamivu.pdf
    • http://limegreenville.com/uploads/1/3/0/5/130543568/xuzid-vinozavozeruzo.pdf
    • http://hudsondayscarshow.com/uploads/1/3/1/4/131453592/6518343.pdf
    • https://vafosanego.files.wordpress.com/2020/06/18813310327.pdf
    • https://lugopago.files.wordpress.com/2020/06/dukuwizebisid.pdf
    • https://munamipatex.files.wordpress.com/2020/06/fovigin.pdf
    • https://domenisika.files.wordpress.com/2020/06/65143108946.pdf
    • https://dezukov.files.wordpress.com/2020/06/45983565065.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_off00005c44.bin
d30e9685297fb5e3b3954eaf3f87d23ba6a952ce83a5b0abaa58b8c8e7da21e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C44 9804 bytes

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