Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca80a04ad0c10737…

MALICIOUS

PDF

48.0 KB Created: 2020-03-11 09:14:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 0680f98ba91baff107e5ddf64443f399 SHA-1: 94f6c264a4d6432205980a8b6911b5190e4cc3db SHA-256: ca80a04ad0c107371f5bc249cac88ad316eecb7edd232ecb6a585976a5c8aeef
92 Risk Score

Malware Insights

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

This PDF document contains numerous external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though partially corrupted, suggests a lure related to 'science experiments for preschoolers pdf'. The PDF_SEO_LINK_FARM heuristic firing indicates a large number of generated links, likely intended to drive traffic to potentially malicious content hosted on domains like twistedsugarut.com and www.allsaintsws.net.

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://twistedsugarut.com/uploads/1/3/0/7/130739099/130739099.html#science+experiments+for+preschoolers+pdf
    • http://www.allsaintsws.net/uploads/1/3/0/8/130814349/dekez_doxekuxapipetu_tikoxidu_wosokiji.pdf
    • http://therefugedallas.org/uploads/1/3/0/6/130604858/sawavugivofo_xaduzagata_noruvikagunav.pdf
    • http://www.wildwoodsmen.co.uk/uploads/1/3/0/5/130544240/9445505.pdf
    • http://www.btech.net.au/uploads/1/3/0/7/130776750/1bf632c0ad714.pdf
    • http://coca-pills-drugs.com/uploads/1/3/0/5/130545636/0580337378496cd.pdf
    • http://curacaobaseballcamps.net/uploads/1/3/0/5/130542831/531489.pdf
    • http://plantuganda.com/uploads/1/3/0/3/130313319/6311753.pdf
    • http://spiritofthehorsestables.com/uploads/1/3/0/7/130738647/kejofu-fojibivog-zorise.pdf
    • http://colaisteduniascaighcahir.com/uploads/1/3/0/2/130291662/0339ce.pdf
    • http://kitchenremodelingla.org/uploads/1/3/0/6/130604982/raxupulamadat.pdf
    • http://lakeforestcachamber.org/uploads/1/3/0/6/130604458/b3bbd5a233.pdf
    • http://sjbeckerconsulting.net/uploads/1/3/0/4/130488252/8c4bfcabea4f.pdf
    • http://akermanfinancialservices.com/uploads/1/3/0/7/130776724/546ee8.pdf
    • http://www.wendellresearchgroup.com/uploads/1/3/0/4/130488975/a3380f6d9a30.pdf
    • http://k-ortiz-portfolio.com/uploads/1/3/0/4/130483043/walelefowalasawubet.pdf
    • http://saraanjiwani.com/uploads/1/3/0/7/130739956/miluxonu_gerev_tulabogesazowa.pdf
    • http://www.testnyc.net/uploads/1/3/0/4/130488114/xefikavudel.pdf
    • http://nascoaz.com/uploads/1/3/0/7/130776152/tinolivuzumuge_dirifedikifovi.pdf
    • http://wainspection.com/uploads/1/3/0/7/130739132/389493.pdf
    • http://mormorsgucci.com/uploads/1/3/0/5/130544147/fezuvobitatusa.pdf
    • http://woodburnhomeinspections.com/uploads/1/3/0/5/130539247/0d0a67e25e.pdf
    • http://www.limanwai.com/uploads/1/3/0/5/130540609/9a9501b86d35.pdf
    • http://www.artveneto.com.au/uploads/1/3/0/4/130476721/3949605.pdf
    • http://vaguely-specific.com/uploads/1/3/0/5/130540146/sulexisijirumofigiv.pdf
    • http://handsonmassages.com/uploads/1/3/0/7/130775558/wuraxelezaro.pdf
    • http://www.artveneto.com.au/uploads/1/3/0/4/
    • 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_off00009221.bin
5fe3277f432effc6fbc0ff10d89bd99713f3b10e44718c95e34b899ac3e577b9
pdf-font-stream PDF embedded font (sfnt) at offset 0x9221 8264 bytes