Malicious PDF — malware analysis report

Static analysis result for SHA-256 15107af9f37f1ca6…

MALICIOUS

PDF

26.8 KB Created: 2020-04-02 09:09:41 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2026-05-08
MD5: 59e6294ba1cee783168cb3886abb3ca2 SHA-1: 8a2304ce4a26ccdb8dd1abd9649d05eda39e6a96 SHA-256: 15107af9f37f1ca62398bfbd892d9cd0275ed52bc9373c70bf795258ccd365fb
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body, though partially corrupted, contains a URL that also appears in the heuristics, indicating an attempt to redirect the user to malicious content. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://savanarosejewelry.com/uploads/1/3/1/4/131437045/131437045.html#que+es+una+planeacion+financiera+estrategica PDF link annotation
    • http://tashastaxservice.net/uploads/1/3/0/9/130969186/172272.pdfIn PDF document text
    • http://jenningsbuiltit.com/uploads/1/3/0/3/130323996/9340762.pdfIn PDF document text
    • http://thehillgrove.com/uploads/1/3/0/6/130604114/4973176.pdfIn PDF document text
    • http://greenleafcommunityfarm.com/uploads/1/3/0/7/130738657/5cd5251f60.pdfIn PDF document text
    • http://hostmaster.wefixdoubleglazing.com/uploads/1/3/0/4/130493248/82da2b.pdfIn PDF document text
    • http://lakecharlescw.com/uploads/1/3/0/4/130483514/wufutarudazu-futuxorag-kiresimumopise-silademek.pdfIn PDF document text
    • http://restalbania.com/uploads/1/3/0/3/130323409/revajetu.pdfIn PDF document text
    • http://synchro.today/uploads/1/3/0/6/130620834/4788889.pdfIn PDF document text
    • http://greenrockswarmbloods.com/uploads/1/3/0/9/130969983/eb37551492d713c.pdfIn PDF document text
    • http://roseandgin.com/uploads/1/3/0/6/130620557/8210492.pdfIn PDF document text
    • http://9f60dnj010.com/uploads/1/3/1/3/131379443/mutisan-faveko-nonod.pdfIn PDF document text
    • http://literaryanimalrescue.com/uploads/1/3/0/6/130604723/fivaxixalufap.pdfIn PDF document text
    • http://lodgewellnesscenter.com/uploads/1/3/0/6/130621248/4189293.pdfIn PDF document text
    • http://chelseavfitness.com/uploads/1/3/1/3/131384559/jipavok.pdfIn PDF document text
    • http://9dozminds.com/uploads/1/3/0/5/130544494/fubisibudikutub_logoka_nazoke.pdfIn PDF document text
    • http://oakhollowinc.com/uploads/1/3/0/5/130551907/6526578.pdfIn PDF document text
    • http://junbinow.org/uploads/1/3/0/6/130620665/lugubusu.pdfIn PDF document text
    • http://ivcfuofa.com/uploads/1/3/0/8/130814241/2832012.pdfIn PDF document text
🗂 Part of campaign: redsea-rentals.com 3 samples

Related samples 1

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