Malicious PDF — malware analysis report

Static analysis result for SHA-256 d93373890b567cc7…

MALICIOUS

PDF

83.9 KB Created: 2020-04-21 01:04:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6a0ecb2b563cdb5c4a11a83311584224 SHA-1: 2c33e6d9a35ca1296b8f1658d56367a18ec66ec1 SHA-256: d93373890b567cc7be0634621de4baf891a675b33c95363513c5d7d47078bacf
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many of which point to similarly structured URLs on different domains, suggesting a link farm or redirection mechanism. One prominent URL, http://seafoodfestivalgiveaways.com/uploads/1/3/0/6/130639244/130639244.html#d.+o.+c+full+form, is presented with a title that implies a document or form, likely a lure for phishing or a scam. No scripts were extracted, and the document body is heavily obfuscated.

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://seafoodfestivalgiveaways.com/uploads/1/3/0/6/130639244/130639244.html#d.+o.+c+full+form
    • http://migrantliteraturejournal.com/uploads/1/3/1/4/131406982/6192991.pdf
    • http://exlibrisverbatim.com/uploads/1/3/0/5/130541272/9462752.pdf
    • http://hcmcf.com/uploads/1/3/0/4/130435562/zobitovejifuw-komapifanife-lumewaz-xiwus.pdf
    • http://leftproject.org/uploads/1/3/0/5/130588551/1785299.pdf
    • http://citylightschi.com/uploads/1/3/1/3/131398220/4576190.pdf
    • http://hanyalamp.net/uploads/1/3/0/6/130605422/ffe10e5cca7f7.pdf
    • http://eyredental.com/uploads/1/3/0/5/130551362/eb6bb694f1dcf4b.pdf
    • http://hollywilliamsmusic.com/uploads/1/3/0/7/130739210/48e6d9.pdf
    • http://abetamassage.com/uploads/1/3/0/6/130604501/a73bb01997.pdf
    • http://letschocolati.in/uploads/1/3/1/3/131379948/zarumuzu.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_off0001223a.bin
20cc293387c3f50929b63eb6c05f5e757d332d613519aef40be0d15b820af365		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1223A 8160 bytes

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