Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6e745ab582ccf0e…

MALICIOUS

PDF

43.6 KB Created: 2020-03-29 11:14:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: abe906ff4345071a875509d816090d12 SHA-1: 9119447477f6acb8c30beefaafbd49bd137a2268 SHA-256: d6e745ab582ccf0e6b8c317bdfd17ecc80ae9e3c61f6a542411719a218e2d3f9
92 Risk Score

Malware Insights

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

This PDF document contains a large number of external links to other PDF files hosted on various domains. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, suggesting a link farm or SEO manipulation tactic. The ML classifier also flagged this PDF as malicious with high confidence. The document body contains garbled text but includes the primary URL, indicating a potential lure to malicious content hosted externally.

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://74-123-77-77.mgwnet.com/uploads/1/3/0/2/130291649/130291649.html#scholar+dnd+5e+class
    • http://portraitsformodernpeople.com/uploads/1/3/0/4/130483623/801a7638b.pdf
    • http://tenzafansite.com/uploads/1/3/0/4/130488811/b50806.pdf
    • http://aventuras-spanishforchildren.com/uploads/1/3/0/4/130483573/87e6192f.pdf
    • http://greenergrassandgardens.com/uploads/1/3/1/0/131070688/11460a88.pdf
    • http://gnmrealestate.org/uploads/1/3/0/6/130604078/doputonulazuw_wafikewilena_nulejo_jadikakovule.pdf
    • http://portersneckyogaspa.com/uploads/1/3/0/8/130813841/jogokesazegejipidude.pdf
    • http://kolemine.com/uploads/1/3/0/3/130379271/xulavobof.pdf
    • http://elixirhealthsolutions.com/uploads/1/3/0/5/130588695/xuzojolaxebid-suxoxifopivew-wiwonapasuxo.pdf
    • http://ljprivatesecurity.com/uploads/1/3/0/5/130539155/jusipapufisamamub.pdf
    • http://darianshimy.com/uploads/1/3/0/4/130479210/1657350.pdf
    • http://correllenterprises.biz/uploads/1/3/0/5/130551330/e38da9fc9d.pdf
    • http://blackbloggerchick.com/uploads/1/3/0/6/130604782/a29c2c19c.pdf
    • http://encorect.org/uploads/1/3/0/5/130589097/729219.pdf
    • http://joaolouroseguros.com/uploads/1/3/0/6/130604945/wufokexobu.pdf
    • http://clarksvilletlc.org/uploads/1/3/0/8/130874430/087d1dd44c.pdf
    • http://acasaelmundo.com/uploads/1/3/1/3/131380564/00d15704a81b.pdf
    • http://uulerproductions.com/uploads/1/3/0/7/130739462/acb05ad16fd02.pdf
    • http://davidjandejsek.com/uploads/1/3/0/6/130620544/nuwawobini_fisowinanoti_pawadomanu.pdf
    • http://airporti10businesspark.com/uploads/1/3/0/3/130323295/d2f2ed22.pdf
    • http://preciseanalysis.org/uploads/1/3/0/6/130604340/ratitelilidimiwa.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_off000082cf.bin
de07a650360e289fc1478a272a5762a94c965e56531915ed51968400067f2204		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82CF 7804 bytes

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