Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bde299f290843ad…

MALICIOUS

PDF

38.7 KB Created: 2020-03-29 14:16:17 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9dbac2c061ad6ed5682e77a715068212 SHA-1: 7343bc0ffdd3076dce3408e9f88f76ecd65ea05f SHA-256: 3bde299f290843add15af32f729f1e059d663c55ff527a28023ac344ba7e4052
92 Risk Score

Malware Insights

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

This PDF document exhibits a high-confidence malicious classification due to its structure, which includes a large number of external links. The PDF_SEO_LINK_FARM heuristic indicates that the document contains a mass of external PDF links, likely generated for SEO purposes to lure unsuspecting users. The primary external URI points to a suspicious HTML file, and numerous other PDF links are present, suggesting a phishing or malware distribution scheme.

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://cww60.bpmtc.com/uploads/1/3/0/2/130272280/130272280.html#equate+positive+pregnancy+test+pictures
    • http://hamiltonhealth.net/uploads/1/3/0/7/130776514/6840479.pdf
    • http://sunrayharvesters.com/uploads/1/3/0/9/130969808/2756387.pdf
    • http://maislimpeza.com/uploads/1/3/1/0/131071191/rofoxizufom.pdf
    • http://smuphideltatheta.com/uploads/1/3/0/6/130604197/0b80b6ed9bdee.pdf
    • http://emilygurr.com/uploads/1/3/0/4/130483265/8707907.pdf
    • http://publicomcolombia.com/uploads/1/3/0/7/130775730/fuxujejekadofogele.pdf
    • http://stubby.xyz/uploads/1/3/0/4/130489222/julakosipeke.pdf
    • http://ketymae.com/uploads/1/3/0/8/130814516/d81a2b1940b.pdf
    • http://rachelsaitzyk.com/uploads/1/3/0/7/130775724/7711742.pdf
    • http://sowgrow.net/uploads/1/3/0/5/130589194/siwulubajuwo-sasonokid-garip-wowilunelawem.pdf
    • http://themodimpressionist.com/uploads/1/3/1/4/131437967/7494817.pdf
    • http://www.littlewine-shop.com/uploads/1/3/1/4/131437045/3712516.pdf
    • http://redstrawberryministries.net/uploads/1/3/0/8/130874409/finagiwog.pdf
    • http://marykmassage.com/uploads/1/3/0/7/130775217/a2d74e16eff2.pdf
    • http://lawnsbykings.com/uploads/1/3/0/4/130483138/vofanafejebulezela.pdf
    • http://simplysalubrious.net/uploads/1/3/0/5/130588239/luvogezesir.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_off00006d62.bin
aa73c664431abbfd1c65d54500f9f804ede6ccdf96f397074ee7dce3526cc8cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D62 7784 bytes

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