Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdee3e65ed0de55a…

MALICIOUS

PDF

39.8 KB Created: 2020-03-29 04:17:45 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 05eabdc04e4ed0dc9013bc21df3a064c SHA-1: e7296963a369396c0f0002c61561d87b53fb9275 SHA-256: fdee3e65ed0de55aaf020903b419799567c0e9dd700be7063d2dd94dbb048b5c
92 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to PDF files hosted on unrelated domains. The document body text, though partially corrupted, includes a URL that appears to be a lure for a phishing or malware distribution campaign. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://74-123-78-199.mgwnet.com/uploads/1/3/1/0/131070918/131070918.html#who+plays+ellen+love+in+mr+selfridge
    • http://fortrancraft.org/uploads/1/3/0/6/130639456/990446.pdf
    • http://msbr.ca/uploads/1/3/0/2/130287371/4528258.pdf
    • http://amandaporterfield.com/uploads/1/3/0/3/130313167/kedixuwufefobakeme.pdf
    • http://202andcottage.com/uploads/1/3/0/6/130604767/gezinisogo_zovibukisetimev.pdf
    • http://lisagarcia-rivera.com/uploads/1/3/0/6/130605380/fomaxoj-nusumulo-nalibikawituba.pdf
    • http://mka-remix.com/uploads/1/3/0/4/130483096/5476831.pdf
    • http://www.igniteyourpeace.com/uploads/1/3/0/7/130775921/5753114.pdf
    • http://www.dutchacrespupscom.com/uploads/1/3/0/4/130436494/bepimiwip.pdf
    • http://blackgirlpositivity.com/uploads/1/3/0/4/130436130/rivaleb.pdf
    • http://root.tomatocollection.com/uploads/1/3/0/6/130639133/junuvoradizoke.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_off000072e8.bin
54eadfefc29014ebfb16fd438c14d308080f29b391765004801e5d54a211026f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72E8 8244 bytes

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