Malicious PDF — malware analysis report

Static analysis result for SHA-256 82cfd1515bbfcc2d…

MALICIOUS

PDF

24.1 KB Created: 2020-04-23 22:24:52 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 1836113d16ca9e4c4430948c0c2028f9 SHA-1: f9ff016309cc366b6a50c5acf5eb86d22f3c7eb5 SHA-256: 82cfd1515bbfcc2dcca512b101964e09e2b5824e1152135eca20622fac925038
92 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a link farm. The primary link points to 'fayolanaturalz.com', which is likely part of a scheme to redirect users to malicious content or phishing pages. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://fayolanaturalz.com/uploads/1/3/0/8/130814193/130814193.html#android+os+iso++for+pc
    • http://stephaniegore.com/uploads/1/3/1/4/131406960/wenigetutol.pdf
    • http://zoedeaton.com/uploads/1/3/1/6/131637333/sotutaxobaravon.pdf
    • http://bkwathletichalloffamenet.net/uploads/1/3/0/4/130435848/4717968.pdf
    • http://viverbemcomdiabetes.com/uploads/1/3/0/4/130435998/litabak-nadezufoka.pdf
    • http://leneboujeeboutique.com/uploads/1/3/0/5/130589195/aaf8c6f9784d5.pdf
    • http://prompt-vite.com/uploads/1/3/0/2/130288559/871675014f107ef.pdf
    • http://plasticoceanproject.com/uploads/1/3/1/1/131164437/nenewulonupawo-fozitifanilol-gobopekox-zirijinun.pdf
    • http://gleitsmann-holz.de/uploads/1/3/1/4/131406258/2684501.pdf
    • http://designsbymarie.shop/uploads/1/3/0/5/130551021/wekefidimagojov.pdf
    • http://beachhousedestin.net/uploads/1/3/0/6/130620679/521738d4707f9b5.pdf
    • http://stylednshotbytb.co/uploads/1/3/0/7/130776810/sugolijesixiv.pdf
    • http://marthasmaids.org/uploads/1/3/0/6/130639720/bosorekisitu-mavis-fanulipawuxipus.pdf

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