Malicious PDF — malware analysis report

Static analysis result for SHA-256 4fd5537d0dba703e…

MALICIOUS

PDF

19.2 KB Created: 2020-03-19 14:48:36 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: f395d5962e021718483fd4ec099e6404 SHA-1: a08cdd5f4efab73cb780f34968caee934ccff4d2 SHA-256: 4fd5537d0dba703e6fbf2ae00930c121b793562a94628af90279c46d09659eb6
112 Risk Score

Malware Insights

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

The PDF is identified as an image-only lure, typical for phishing or SEO spam, containing numerous external links. The primary link, http://panoramic09-navisl.com/uploads/1/3/0/5/130588732/130588732.html#suma+de+notacion+cientifica, likely leads to a malicious site. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 19 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://panoramic09-navisl.com/uploads/1/3/0/5/130588732/130588732.html#suma+de+notacion+cientifica
    • http://contextministries.org/uploads/1/3/0/7/130740066/de93610c606abe4.pdf
    • http://tinamariesboutique.store/uploads/1/3/0/8/130874169/705555.pdf
    • http://hydrominer.net/uploads/1/3/0/7/130775921/6801288.pdf
    • http://risesportscast.com/uploads/1/3/0/5/130588861/jidoseramedukumej.pdf
    • http://mta-sts.mx.pushelitefitness.com/uploads/1/3/0/8/130813400/1941977.pdf
    • http://psychicandthecop.com/uploads/1/3/0/3/130323182/e2812aa8f.pdf
    • http://nakomaplumas.com/uploads/1/3/0/5/130551604/jiromoderi.pdf
    • http://juliehara.com/uploads/1/3/0/8/130813769/e567c.pdf
    • http://prosserhightrafficsafety.org/uploads/1/3/0/2/130270963/sadutobasit.pdf
    • http://www.tradiesfoodbar.shop/uploads/1/3/0/5/130588532/51950da54835.pdf
    • http://turkeyvilla.info/uploads/1/3/0/5/130589348/7230458.pdf
    • http://philipishere.com/uploads/1/3/0/6/130620940/1893161.pdf
    • http://cornerstoneinmercer.com/uploads/1/3/0/7/130739678/zajotekolivet_baxesa_somekuj.pdf
    • http://www.serendipity.biz/uploads/1/3/0/3/130313836/7530881.pdf
    • http://www.chinamacepk.com/uploads/1/3/0/5/130588360/4574928.pdf
    • http://higginsbeachmainerental.com/uploads/1/3/0/9/130969027/1204898.pdf
    • http://www.idhealthylife.com/uploads/1/3/0/8/130874541/1059977.pdf
    • http://hostmaster.impeccablyhandmade.com/uploads/1/3/0/7/130775199/876f33346c.pdf
    • http://airythinness.com/uploads/1/3/0/3/130323952/6079766.pdf

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