Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9fd01af1ead7d92…

MALICIOUS

PDF

40.6 KB Created: 2020-03-28 05:38:16 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 962b18fcb277d636552483c17e253555 SHA-1: 66d214afb26ae28e6a394c030cb39da7d3dba61e SHA-256: e9fd01af1ead7d924de1682650cec44ecdedaf348107c3d3f880936bc30a227d
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO link farming or to direct users to malicious sites. The document body itself is minimal, suggesting the primary purpose is to host these links. The heuristic 'PDF_SEO_LINK_FARM' strongly indicates this malicious intent. 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://scrubs4work.com/uploads/1/3/1/1/131163667/131163667.html#que+diferencia+hay+entre+el+conceptismo+y+culteranismo
    • http://www.kenaipac.org/uploads/1/3/0/2/130288757/175a4ade490179.pdf
    • http://resumesonpoint.com/uploads/1/3/0/6/130604348/2d501538764.pdf
    • http://virtuenetransportservices.com/uploads/1/3/0/6/130621076/nevuvu.pdf
    • http://dwptreeworks.com/uploads/1/3/0/6/130620889/9774291.pdf
    • http://paulberryhillsgallery.studio/uploads/1/3/0/2/130289410/nanejamomuz.pdf
    • http://picolombia.com/uploads/1/3/0/9/130969343/bemijupotonis.pdf
    • http://vmvconstructions.com/uploads/1/3/0/7/130776452/5610f5dc.pdf
    • http://www.solovino337.com/uploads/1/3/0/6/130621643/kapewibamulix.pdf
    • http://nolimitexcavating.com/uploads/1/3/0/6/130620573/8522625.pdf
    • http://dmjarealty.com/uploads/1/3/0/7/130739690/5226295.pdf
    • http://edspartner.com/uploads/1/3/0/6/130621179/gedunowepojepevewoba.pdf
    • http://southcoastgourmetgifts.com/uploads/1/3/0/5/130547207/wulenapamaba.pdf
    • http://pacnetworksinc.com/uploads/1/3/0/6/130604088/4b4654b0db6.pdf
    • http://edit1971.com/uploads/1/3/0/7/130738785/87eec.pdf
    • http://awechild.com/uploads/1/3/0/6/130639662/e29ab577ad5d2.pdf
    • http://botanicaaccommodation.com/uploads/1/3/0/3/130313410/nuzepipi_xaremadok.pdf
    • http://norfolkeyephysiciansandsurgeons.com/uploads/1/3/0/6/130640059/1275893.pdf
    • http://comprehensivefinancialplanningservices.com/uploads/1/3/0/3/130313507/karefulaji-raxitanazawot.pdf
    • http://estatevintageandthrift.com/uploads/1/3/0/4/130483219/867d7114c985.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_off00007282.bin
4af8930b943ff3681df6f6c4ca3bf356886bf06397022447f7c4fb4296df1725		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7282 8844 bytes

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