Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab0814a40eef1522…

MALICIOUS

PDF

38.3 KB Created: 2020-03-29 06:28:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3f5344f99a1531603dac941e531bae5d SHA-1: 3d1c2121690b2ef10ce15ff129bd5caf4001e772 SHA-256: ab0814a40eef1522c721471ba7b1049802c2f7a74ab1ef8f14eb957ca406955c
62 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 are numerically or generically named, suggesting a link farm designed to attract search engine traffic. One prominent link, 'http://74-123-72-13.mgwnet.com/uploads/1/3/1/3/131384142/131384142.html#medicare+supplemental+insurance+california+plan+f', directly mentions Medicare supplemental insurance, indicating a phishing or scam lure. 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://74-123-72-13.mgwnet.com/uploads/1/3/1/3/131384142/131384142.html#medicare+supplemental+insurance+california+plan+f
    • http://auntiemimisfarmhousekitchen.org/uploads/1/3/0/3/130379246/fumejotadilewo-sorewe-mepef-popisil.pdf
    • http://livingedgehome.com/uploads/1/3/0/7/130775563/faguxomijijapeworid.pdf
    • http://academymededfellowship.com/uploads/1/3/0/7/130775478/e41a8378910b4.pdf
    • http://jor.brazoriacad.org/uploads/1/3/0/6/130639646/589252.pdf
    • http://lenark.net/uploads/1/3/0/6/130639821/9625929.pdf
    • http://nses.northsmithfieldschools.com/uploads/1/3/0/6/130621950/5266548.pdf
    • http://gapah.com/uploads/1/3/0/6/130604333/e10df305718fe93.pdf
    • http://lifetimeroadside.com/uploads/1/3/1/1/131164366/8124797.pdf
    • http://loonamoonmn.com/uploads/1/3/0/8/130874085/lerologeguzimev.pdf
    • http://autodiscover.pilgrim-medj.com/uploads/1/3/0/2/130273893/vebowujixaxukumis.pdf
    • http://iandeyeoptometry.biz/uploads/1/3/0/2/130271108/luderotozeji_rumedod_gemufetugi_kogegiteluvam.pdf
    • http://www.glc2020.org/uploads/1/3/0/4/130488410/4467989.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_off00006c52.bin
486c46dc5ded607eed1788d414641d877951347b0ba211d69b1aa1714a64f622		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C52 8144 bytes

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